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You searched for: Journal name Chemistry of natural compounds Remove constraint Journal name: Chemistry of natural compounds Subject chemical structure Remove constraint Subject: chemical structure Subject spectral analysis Remove constraint Subject: spectral analysis
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1. The Antioxidant Compounds from Urtica fissa Flowers

Author:
Mengyue Wang; Lili Wu; Hao Zhang; Dun Zhu Ci Ren; Tonghua Liu; Xiaobo Li
Source:
Chemistry of natural compounds 2019 v.55 no.5 pp. 839-842
ISSN:
0009-3130
Subject:
2,2-diphenyl-1-picrylhydrazyl; Urtica; antioxidants; chemical structure; flavonoids; flowers; lignans; median effective concentration; phenolic acids; spectral analysis
Abstract:
... Eleven compounds (1–11), including two new compounds (1, 2), were isolated from the antioxidant portion of the alcoholic extract of Urtica fissa flowers. Their chemical structures were elucidated from extensive spectroscopic analysis. The results of activity evaluation indicated that some compounds of phenolic acids (3, 4), flavonoids (7, 9, 10), and lignans (1, 6) possess significant activities o ...
DOI:
10.1007/s10600-019-02827-z

2. Antitumor sesquiterpene polyol esters from Celastrus angulatus

Author:
Shao-peng Wei; Jie-yu Luan; Zhi-qin Ji; Bao-jun Shi; Min Xu; Ji-wen Zhang
Source:
Chemistry of natural compounds 2012 v.47 no.6 pp. 906-910
ISSN:
0009-3130
Subject:
Celastrus; Mythimna; bark; breast neoplasms; chemical structure; colon; esters; humans; inhibitory concentration 50; insecticidal properties; larvae; lungs; nuclear magnetic resonance spectroscopy; roots; spectral analysis
Abstract:
... Two new antitumor sesquiterpene polyol esters with the β-dihydroagarofuran skeleton, 1 and 2, and three known compounds 3–5 were isolated from the high-polar MeOH extracts of the root bark of Celastrus angulatus. Their chemical structures were elucidated mainly by analyses of MS and NMR spectral data. Preliminary antitumor and insecticidal activities of these compounds were evaluated. Compounds 1 ...
DOI:
10.1007/s10600-012-0101-z

3. Chemical Constituents of Balanophora involucrata

Author:
Jing Feng; You Peng; Wei-Wei Zhao; Hong-Jia Fan; Zhen-Liang Sun; Yuan Lu
Source:
Chemistry of natural compounds 2018 v.54 no.4 pp. 646-648
ISSN:
0009-3130
Subject:
Balanophora; chemical composition; chemical structure; esters; glucosides; spectral analysis
Abstract:
... A new (S)-hexahydroxydiphenoyl ester of dihydrochalcone glucoside, together with 15 known compounds, was isolated from Balanophora involucrata Hook. Their chemical structures were elucidated on the basis of spectral data. To the best of our knowledge, compounds 1, 2, and 7–11 were isolated from this plant for the first time. ...
DOI:
10.1007/s10600-018-2437-5

4. Chemical Constituents of the Aerial Parts of Daucus carota

Author:
Lei Cheng; Gui-Yuan Liu; Yin-Chi Pan; Mao-Sheng Zhang; Shi-Ji Xiao
Source:
Chemistry of natural compounds 2019 v.55 no.4 pp. 665-668
ISSN:
0009-3130
Subject:
Daucus carota; aerial parts; chemical composition; chemical structure; ethanol; nuclear magnetic resonance spectroscopy; sesquiterpenoids; spectral analysis
Abstract:
... A new sesquiterpenoid derivative, 8β,11-dihydroxy-1β,5β-epoxyarbutan-3-one (1), along with 18 known compounds (2–19), were isolated from the ethanol extract of the aerial parts of Daucus carota. The chemical structure of the new compound was established by means of spectroscopic analysis, including one and two-dimensional NMR spectroscopy. ...
DOI:
10.1007/s10600-019-02773-w

5. Chemical Constituents of the Aerial Parts of Schnabelia oligophylla

Author:
Shi-Ji Xiao; Da-Le Guo; Mao-Sheng Zhang; Fang Chen; Li-Sheng Ding; Yan Zhou
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 478-482
ISSN:
0009-3130
Subject:
aerial parts; chemical composition; chemical structure; methanol; nuclear magnetic resonance spectroscopy; spectral analysis; triterpenoids
Abstract:
... A new triterpenoid derivative, 2,3-seco-bauer-8-en-2,3-dioic acid (1), a new natural product, 3α-hydroxyolean-13(18)-en-24-oic acid (2), along with 19 known compounds (3–21), were isolated from the methanol extract of the aerial parts of Schnabelia oligophylla. The chemical structures were established by means of spectroscopic analysis including one- and two-dimensional NMR spectroscopy and compar ...
DOI:
10.1007/s10600-017-2026-z

6. Chemical Constituents of the Heartwood of Dalbergia tonkinensis

Author:
Ninh The Son; Yoshiyasu Fukuyama; Nguyen Manh Cuong
Source:
Chemistry of natural compounds 2019 v.55 no.5 pp. 854-856
ISSN:
0009-3130
Subject:
Dalbergia; chemical composition; chemical structure; heartwood; naringin; sesquiterpenoids; spectral analysis
Abstract:
... A new sesquiterpene, rel-(3R,6S,7S)-6α-hydroxycyclonerolidol (1), along with three known compounds, including neroplomacrol (2), naringin (3), and p-formylphenol (4), was isolated from the heartwood of Dalbergia tonkinensis. Their chemical structures were elucidated based on spectroscopic analysis. ...
DOI:
10.1007/s10600-019-02831-3

7. Chemical Constituents of the Stems of Michelia champaca

Author:
Cheng-Tsung Huang; Sheue-Jiun Chen; Hui-Ming Wu; Ya-Fei Kang; Hsin-Liang Chen; Wei-Jen Li; Hsin-Tan Li; Chung-Yi Chen
Source:
Chemistry of natural compounds 2014 v.50 no.6 pp. 1047-1049
ISSN:
0009-3130
Subject:
vanillin; chemical composition; hydroxybenzaldehyde; scopoletin; stems; vanillic acid; spectral analysis; Magnolia champaca; chemical constituents of plants; syringic acid; chemical structure
Abstract:
... Champacaine (1), (–)-anonaine (2), (–)-norushinsunine (3), (–)-ushinsunine (4), (–)-N-acetylanonaine (5), (–)-roemerine (6), (–)-asimilobine (7), (–)-anolobine (8), (–)-isocorydine (9), liriodenine (10), atherospermidine (11), O-methylmoschatoline (12), (+)-syringaresinol (13), N-trans-feruloyltyramine (14), 4-hydroxybenzaldehyde (15), vanillin (16), vanillic acid (17), syringic acid (18), 3,4-dim ...
DOI:
10.1007/s10600-014-1156-9

8. Cytotoxic Cardiac Glycoside from the Parasitic Plant Cuscuta reflexa

Author:
Muhammad Ali Versiani; Asma Kanwal; Shaheen Faizi; Ahsana Dar Farooq
Source:
Chemistry of natural compounds 2017 v.53 no.5 pp. 915-922
ISSN:
0009-3130
Subject:
Cuscuta reflexa; anticarcinogenic activity; beta-sitosterol; bioassays; chemical structure; coumarins; cytotoxicity; fractionation; glucosides; nuclear magnetic resonance spectroscopy; parasitic plants; prostatic neoplasms; spectral analysis; stable isotopes; ursolic acid
Abstract:
... Bioassay guided fractionation of the cytotoxic extract of the plant Cuscuta reflexa, employing cytotoxic assay against a panel of 60 cell lines, led to the isolation of 13 compounds identified as odoroside H (1), 21-hydroxyodoroside H (2), neritaloside (3), strospeside (4), 16-β-hydroxydigitoxin (5), N-trans and cis feruloyl tyramines (6 and 7), ethyl caffeate (8), coumarins (9 and 10), ursolic ac ...
DOI:
10.1007/s10600-017-2154-5

9. Feruloyl Sucrose Esters from Oryza sativa Roots and Their Tyrosinase Inhibition Activity

Author:
Jin-Gyeong Cho; Byeong-Ju Cha; Woo-Duck Seo; Rak-Hun Jeong; Sabina Shrestha; Ji-Young Kim; Hee-Cheol Kang; Nam-In Baek
Source:
Chemistry of natural compounds 2015 v.51 no.6 pp. 1094-1098
ISSN:
0009-3130
Subject:
Oryza sativa; chemical structure; mushrooms; roots; spectral analysis; sucrose; sucrose esters
Abstract:
... One new feruloyl sucrose ester, 3-feruloyl-4′,6′-diacetyl sucrose (1), along with five known feruloyl sucrose esters, 3,6-diferuloyl-3′,6′-diacetyl sucrose (2), smilaside A (3), 3,6-diferuloyl-6′-acetyl sucrose (4), 3-feruloyl-6′-acetyl sucrose (5), and 3,6-diferuloyl sucrose (6), was isolated from Oryza sativa roots. The chemical structures of the compounds were determined by spectroscopic data a ...
DOI:
10.1007/s10600-015-1500-8

10. Four Verrucosidin Derivatives Isolated from the Hydrothermal Vent Sulfur-Derived Fungus Penicillium sp. Y-50-10

Author:
Chengqian Pan; Yutong Shi; Bibi Nazia Auckloo; Chen-Tung Arthur Chen; Xuegang Chen; Xiaodan Wu; Bin Wu
Source:
Chemistry of natural compounds 2018 v.54 no.2 pp. 253-256
ISSN:
0009-3130
Subject:
Penicillium; chemical bonding; chemical structure; fungi; minimum inhibitory concentration; nuclear magnetic resonance spectroscopy; secondary metabolites; spectral analysis
Abstract:
... Four verrucosidin derivatives, penicyrone (1), norpenicyrone (2), methyl norpenicyrone (3), and methyl penicyrone (4) were isolated from the hydrothermal vent sulfur-derived fungus Penicillium sp. Y-50-10. Compounds 1–4 were obtained as a mixture of two epimers. Compounds 2–4 have been proved to be new secondary metabolites. The chemical structures were determined by comparing with literature data ...
DOI:
10.1007/s10600-018-2316-0

11. Isolation and Spectral Studies of a New Lactone Triterpenoid from Lantana camara

Author:
Anjum Ayub; Sabira Begum; Syed Tahir Ali; Sara; Bina Shaheen Siddiqui
Source:
Chemistry of natural compounds 2019 v.55 no.3 pp. 478-481
ISSN:
0009-3130
Subject:
Lantana camara; aerial parts; chemical structure; lactones; nuclear magnetic resonance spectroscopy; spectral analysis; triterpenoids
Abstract:
... A new lactone triterpenoid lantanolide along with four known triterpenoids were isolated from the ether fraction of above-ground parts of Lantana camara L. The chemical structure of the new compound was determined to be 3-oxo-12α,22β,25-trihydroxy-18β-olean-28,13β-olide (1), based on spectroscopic data including UV, IR, EI-MS, HR-EI-MS, and 1D and 2D NMR. ...
DOI:
10.1007/s10600-019-02719-2

12. A New 26-Norlanostanoid from the Fruiting Bodies of Ganoderma philippii

Author:
Qing-Yun Ma; Shuang Yang; Fan-Dong Kong; Qing-Yi Xie; Li-Man Zhou; Zhi-Fang Yu; You-Xing Zhao
Source:
Chemistry of natural compounds 2020 v.56 no.1 pp. 89-91
ISSN:
0009-3130
Subject:
Ganoderma; alpha-glucosidase; chemical structure; enzyme inhibition; ethyl acetate; fruiting bodies; inhibitory concentration 50; spectral analysis; spectroscopy
Abstract:
... A new nortriterpenoid, 26-nor-11,22-dioxolanost-8-en-3β,7β,15α-triol (1), was isolated from the EtOAc extract of the fruiting bodies of Ganoderma philippii. Its structure was identified by spectroscopic techniques including 1D and 2D spectral data as well as MS. Compound 1 showed α-glucosidase inhibitory activity with IC₅₀ value of 482.7 μM. ...
DOI:
10.1007/s10600-020-02950-2

13. A New Alkaloid with Tracheal Relaxant Effect from the Bulbs of Fritillaria pallidiflora

Author:
Yan Li; A. Yili; Aziz Muhamat; H. A. Aisa
Source:
Chemistry of natural compounds 2017 v.53 no.5 pp. 926-928
ISSN:
0009-3130
Subject:
Fritillaria pallidiflora; alkaloids; bulbs; chemical structure; medicinal properties; spectral analysis
Abstract:
... A new isosteroidal alkaloid, yibeinone E (1), along with five known ones, zhebeinone 3-O-β-D-glucoside (2), sinpeinine A (3), yubeinine (4), ebeinone (5), and delavinone (6), were isolated from the bulbs of Fritillaria pallidiflora. Their structures were confirmed on the basis of extensive spectroscopic analysis or comparison with the data in the literature (known compounds). Compound 3 showed an ...
DOI:
10.1007/s10600-017-2156-3

14. A New Antibacterial Chlorinated Amino Acid Derivative from the Sponge-Derived Fungus Aspergillus sp. LS53

Author:
Lu Zhang; Panpan Qiu; Lijian Ding; Qiang Li; Jingjing Song; Zhiwen Han; Shan He
Source:
Chemistry of natural compounds 2020 v.56 no.1 pp. 109-111
ISSN:
0009-3130
Subject:
Aspergillus; Vibrio harveyi; amino acids; antibacterial properties; chemical structure; fungi; minimum inhibitory concentration; spectral analysis
Abstract:
... A new chlorinated amino acid derivative with a rare 3-chloro-4-hydroxyphenyl unit named aspergamide A (1), along with three known compounds, xylarinol A (2), nectriapyrone (3), and asperisocoumarin A (4), were isolated from the sponge-derived fungus Aspergillus sp. LS53. Their structures were determined by combining detailed spectroscopic analysis and literature data. Compounds 1, 3, and 4 showed ...
DOI:
10.1007/s10600-020-02955-x

15. New Benzylated Alkamide from the Roots of Lepidium meyenii

Author:
W. X. Liu; M. Dong; R. Q. Zhang; Z. H. Ma; Q. F. Yang; Y. J. Chen; Y. Q. Ye; L. M. Liao; P. Cheng; Z. Y. Jiang; M. Zhou
Source:
Chemistry of natural compounds 2019 v.55 no.4 pp. 696-699
ISSN:
0009-3130
Subject:
Lepidium meyenii; amides; chemical structure; cytotoxicity; neoplasm cells; roots; spectral analysis
Abstract:
... A new benzylated alkamide, N-(3-methoxybenzyl)hexadec-9Z-enamide (1), and a known analogue (2) were isolated from the roots of Lepidium meyenii. Their structures were elucidated by extensive NMR and MS spectroscopic analyses. All the isolated alkamides were evaluated for their cytotoxicity against five human cancer cell lines but found to be insignificant at concentrations up to 40 μM. ...
DOI:
10.1007/s10600-019-02781-w

16. A New Diphenyl Ether from the Lichen Parmotrema praesorediosum

Author:
B. L. C. Huynh
Source:
Chemistry of natural compounds 2021 v.57 no.4 pp. 667-669
ISSN:
0009-3130
Subject:
Parmotrema; chemical structure; diphenyl ethers; lichens; spectral analysis
Abstract:
... A new diphenyl ether, named praesorether P (1), was isolated from the lichen Parmotrema praesorediosum (Nyl.) Hale. Its chemical structure was elucidated on the basis of extensive spectroscopic analysis including HR-ESI-MS and NMR as well as comparison with previously published data. ...
DOI:
10.1007/s10600-021-03446-3

17. New Fatty Acids from the Leaves of Vernicia fordii

Author:
Min Zhou; Huanhuan Xing; Ruiqi Zhang; Yanjun Chen; Lingmin Liao; Yanqi Sun; Zuhong Ma; Qiaofen Yang; Ping Li; Yanqing Ye; Gang Du
Source:
Chemistry of natural compounds 2019 v.55 no.4 pp. 602-605
ISSN:
0009-3130
Subject:
Vernicia fordii; chemical structure; cytotoxicity; fatty acids; leaves; neoplasm cells; spectral analysis; China
Abstract:
... Two new conjugated ketonic fatty acids, (10E,12E)-ethyl 9-oxo-octadeca-10,12-dienoate (1) and (14S)-(10E,12E)-methyl 14-hydroxy-9-oxo-octadeca-10,12-dienoate (2), were isolated from the leaves of Vernicia fordii collected from Hunan Province of China. Their structures were characterized by means of spectroscopic analyses. All of them were tested for their cytotoxicity against five human cancer cel ...
DOI:
10.1007/s10600-019-02758-9

18. New Flavone from Artemisia juncea of the Flora of Uzbekistan

Author:
B. S. Okhundedaev; Kh. M. Bobakulov; R. F. Mukhamatkhanova; I. D. Sham’yanov; N. D. Abdullaev
Source:
Chemistry of natural compounds 2019 v.55 no.5 pp. 818-820
ISSN:
0009-3130
Subject:
Artemisia; aerial parts; carbon; chemical structure; flavones; flora; jaceosidin; nuclear magnetic resonance spectroscopy; spectral analysis; stable isotopes; Uzbekistan
Abstract:
... A new flavone called juncione and known flavone derivatives cynaroside and jaceosidin were isolated from the aerial part of Artemisia juncea Kar. & Kir. The structure 5,6,4′-trihydroxy-3′,5′-dimethoxyflavone 7-O-β-D-glucopyranoside was established for juncione based on IR, UV, PMR, and ¹³C NMR spectral data and HSQC and HMBC experiments. ...
DOI:
10.1007/s10600-019-02822-4

19. A New Flavonoid Glycoside with α-Glucosidase Inhibitory Activity from Galium Verum

Author:
Xiao-Hui Zhang; Jie Shen; Chun-Chao Zhao; Jian-Hua Shao
Source:
Chemistry of natural compounds 2020 v.56 no.1 pp. 67-69
ISSN:
0009-3130
Subject:
Galium verum; alpha-glucosidase; apigenin; chemical structure; chromatography; enzyme inhibition; ethanol; glycosides; in vitro studies; intestines; rats; spectral analysis
Abstract:
... A new flavonoid glycoside, apigenin 7-O-(2,4-di-O-acetyl)-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside (1), was isolated from the 95% EtOH extract of Galium verum L. by repeated column chromatography. Its structure was identified by spectral analyses and chemical methods. In addition, the rat intestinal α-glucosidase inhibitory activity of compound 1 was evaluated in vitro. ...
DOI:
10.1007/s10600-020-02945-z

20. A New Furanone Isolated from a Marine-Derived Actinomycete M159

Author:
Shuju Guo; Hua Su; Xiancui Li; Dayong Shi; Xiaobin Zhu
Source:
Chemistry of natural compounds 2015 v.51 no.3 pp. 480-482
ISSN:
0009-3130
Subject:
Actinomycetales; chemical structure; furans; spectral analysis; spectroscopy
Abstract:
... A new furanone, 5-(4′,6′-dihydroxy-6′-methyloctyl)furan-2(5H)-one (1), and a known furanone, 5-(6′,7′-dihydroxy-6′-methyloctyl)furan-2(5H)-one (2), were isolated from a marine-derived actinomycete (strain No. M159). The structures of these two compounds were determined on the basis of spectroscopic and chemical data. ...
DOI:
10.1007/s10600-015-1319-3

21. A New Insecticidal Lignan Glucoside from Galium verum

Author:
Jia Chen; Chun-Chao Zhao; Jian-Hua Shao; Ju-Di Fan; Xu-Hua Huang
Source:
Chemistry of natural compounds 2017 v.53 no.4 pp. 626-628
ISSN:
0009-3130
Subject:
Galium verum; Helicoverpa armigera; Scorpiones; chemical structure; glucosides; insecticidal properties; lignans; mortality; poisoning; scorpion venoms; spectral analysis; stomach; toxicity
Abstract:
... A new lignan glucoside, galiveroside A (1), and seven known compounds (2–8), were isolated from Galium verum L. The structure of 1 was elucidated on the basis of extensive spectroscopic analyses. Compound 1, at the concentration of 5 mg/mL, showed insecticide activity to 3 age cotton bollworm with a mortality of 16.3% through stomach poisoning. When combined with a recombinant scorpion toxin rLqh ...
DOI:
10.1007/s10600-017-2075-3

22. New Iridoid from the Stems of Viburnum erosum

Author:
Seo-Ji In; Kyeong-Hwa Seo; Hyoung-Geun Kim; Na-Young Song; Nam-In Baek
Source:
Chemistry of natural compounds 2017 v.53 no.2 pp. 265-268
ISSN:
0009-3130
Subject:
Viburnum; chemical structure; iridoids; nuclear magnetic resonance spectroscopy; spectral analysis; stems
Abstract:
... A new iridoid (1) was isolated from the stems of Viburnum erosum along with two known iridoids, 7-O-tigloylsecologanolic acid (2) and 7-ketologanin (3). The chemical structure of the compounds was established based on NMR, IR, and MS spectroscopic data. ...
DOI:
10.1007/s10600-017-1967-6

23. A New Isophthalic Acid from Talaromyces flavus

Author:
Junwei He; Li Yang; Yaqi Wang; Zhengqiang Mu; Zhengrong Zou; Xiumei Wang; Guoyue Zhong
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 409-411
ISSN:
0009-3130
Subject:
Talaromyces flavus; antimicrobial properties; chemical structure; cytotoxicity; fungi; nuclear magnetic resonance spectroscopy; spectral analysis; wetlands
Abstract:
... A new isophthalic acid, 2-acetyl-5-hydroxy-6-methoxyisophthalic acid (1), was isolated from the wetland soil-derived fungus Talaromyces flavus (No. BYD07-13). Its chemical structure was elucidated on the basis of UV, IR, MS, and NMR spectroscopic analyses. The anti-Aβ ₄₂ aggregation, cytotoxic, and antimicrobial activities of compound 1 were tested. Compound 1 displayed significant anti-Aβ ₄₂ aggr ...
DOI:
10.1007/s10600-017-2010-7

24. A New Lignan Glucoside from Cyclea racemosa

Author:
Jian-Hua Shao; Xue-Wei Zhang; Zi-Ling Dong; Si-Hui Li; Ben-Jie Miao; Ke-Zhi Cheng
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1025-1027
ISSN:
0009-3130
Subject:
Cyclea; chemical structure; glucosides; lignans; spectral analysis
Abstract:
... A new lignan glucoside 1, along with two known lignans (2, 3), was isolated from Cyclea racemosa Oliv. Its structure was elucidated as (+)-7′-methoxylariciresinol 4-O-β-D-glucopyranoside on the basis of extensive spectroscopic analyses. ...
DOI:
10.1007/s10600-017-2193-y

25. A New Neolignan Glucoside from the Stems of “Baekma” Cultivar, Chrysanthemum morifolium

Author:
Hyoung-Geun Kim; Hyun-Ji Oh; Jung-Hwan Ko; Sun-Woo Joo; Yeong-Geun Lee; Yun-Su Baek; Dae Young Lee; Nam-In Baek
Source:
Chemistry of natural compounds 2019 v.55 no.4 pp. 610-613
ISSN:
0009-3130
Subject:
Chrysanthemum morifolium; chemical structure; cultivars; glucosides; lignans; nuclear magnetic resonance spectroscopy; silica gel; spectral analysis; stems
Abstract:
... A new neolignan glucoside has been isolated from Chrysanthemum morifolium ‘Baekma’ cultivar through repeated silica gel and octadecyl silica gel (ODS) column chromatographies. On the basis of spectroscopic data including NMR, MS, and IR, the chemical structure of the new neolignan glucoside was determined to be (7S,8S)-7-O-[1′-(4′,5′-dihydroxy-3′-methoxyphenyl)propanol]guaiacylglycerol 4-O-β-D-glu ...
DOI:
10.1007/s10600-019-02760-1

26. A New Neolignan, Isoobovatol, from the Fruits of Magnolia obovata

Author:
Yun-Su Baek; Kyeong-Hwa Seo; Dae-Young Lee; Oh-Keun Kwon; Nam-In Baek
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 986-988
ISSN:
0009-3130
Subject:
Magnolia obovata; chemical structure; ethyl acetate; fruits; lignans; spectral analysis
Abstract:
... A new neolignan was isolated from the EtOAc fraction obtained from Magnolia obovata fruits. The chemical structure of the new neolignan was determined to be 5,5′-diallyl-2,2′-dihydroxybiphenyl ether (1), named isoobovatol, based on physicochemical and spectroscopic data including FT-NMR and EI-MS. ...
DOI:
10.1007/s10600-016-1842-x

27. A New Quassinoid from Brucea javanica and its Antiplasmodial and Cytotoxic Activities

Author:
Parinuch Chumkaew; Atiphon Phatthiya; Uraiwan Werapun; Theera Srisawat
Source:
Chemistry of natural compounds 2019 v.55 no.3 pp. 471-473
ISSN:
0009-3130
Subject:
Brucea javanica; Plasmodium falciparum; antimalarials; breast neoplasms; carcinoma; chemical structure; cytotoxicity; inhibitory concentration 50; leaves; spectral analysis
Abstract:
... Brujavanol E (1), a new quassinoid derivative, along with four known quassinoids (2–5), were isolated from the leaves of Brucea javanica. The chemical structure was elucidated on the basis of extensive spectroscopic analysis. Compound 1 showed significant antimalarial activity (against Plasmodium falciparum strain K1) and cytotoxicity activity against human oral epidermoid carcinoma cancer (KB) an ...
DOI:
10.1007/s10600-019-02717-4

28. A New Sesquiterpene from Acorus calamus Rhizoma

Author:
Juan Li; Jian-Ping Zhao; Shun-Xiang Li; Bin Li; Yang-Wen Ou; Qing-Ru Liu
Source:
Chemistry of natural compounds 2015 v.51 no.6 pp. 1099-1102
ISSN:
0009-3130
Subject:
Acorus calamus; chemical structure; ethanol; sesquiterpenoids; spectral analysis
Abstract:
... A new cadinane sesquiterpene, 1β,7β(H)-3-cadinadiene-6α, 10α-diol, together with four known ones, was isolated from the ethanol extract of Acori calami (Acorus calamus L.) rhizoma. Their chemical structures were established on the basis of various spectroscopic methods and compared with data of the related known compounds. ...
DOI:
10.1007/s10600-015-1501-7

29. A New Steroid from Dregea sinensis

Author:
Fang Lv; Shaohua Jia; Rongji Dai; Wei wei Meng; Yulin Deng
Source:
Chemistry of natural compounds 2014 v.50 no.5 pp. 862-864
ISSN:
0009-3130
Subject:
Apocynaceae; chemical structure; mass spectrometry; nuclear magnetic resonance spectroscopy; spectral analysis; steroids
Abstract:
... A new steroid, Δ ⁵-3β,8β,14β-trihydroxy-11α,12β-O-dibenzoyl-pregnane, was isolated from Dregea sinensis Hemsl., along with Δ ⁵-3β,8β,14β-trihydroxy-11α,12β-O-ditigloyl-pregnane. The structures were elucidated on the basis of 1D and 2D NMR spectra and HR-ESI-MS analysis. ...
DOI:
10.1007/s10600-014-1101-y

30. New azomethine cardenolide glycosides

Author:
S. V. Kovalev
Source:
Chemistry of natural compounds 2006 v.42 no.4 pp. 449-451
ISSN:
0009-3130
Subject:
cardiac glycosides; chemical structure; spectral analysis; synthesis
Abstract:
... New azomethines (aldimines) were synthesized from cardiac glycosides erysimin and cymarin. The structures of the new compounds were confirmed by PMR spectra and elemental analysis. ...
DOI:
10.1007/s10600-006-0178-3

31. Secondary Metabolites from the Leaves of Juglans sigillata

Author:
Chuan-Ling Si; Su Fan; Liang-Liang An
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1008-1010
ISSN:
0009-3130
Subject:
Juglans; chemical structure; glucosides; leaves; nuclear magnetic resonance spectroscopy; secondary metabolites; spectral analysis
Abstract:
... A new caffeoylated galloyl glucoside, 1,3-di-O-galloyl-6-O-trans-caffeoyl-β-D-glucoside (1), was isolated and purified, together with three known galloyl glucosides, 1,2,4,6-tetra-O-galloyl-β-D-glucoside (2), 1,2,6-tri-O-galloyl-β-D-glucoside (3), and 1,2,3,4,6-penta-O-galloyl-β-D-glucoside (4), from the leaves of Juglans sigillata. Chemical structures of the compounds were mainly established on t ...
DOI:
10.1007/s10600-016-1848-4

32. Sesquiterpene Glycosides from Flowers of Yucca gloriosa

Author:
M. M. Benidze; V. G. Nebieridze; Markus Ganzera; A. V. Skhirtladze; E. P. Kemertelidze
Source:
Chemistry of natural compounds 2018 v.54 no.1 pp. 73-76
ISSN:
0009-3130
Subject:
Yucca gloriosa; carbon; chemical structure; electrospray ionization mass spectrometry; flowers; glycosides; methanol; nerolidol; nuclear magnetic resonance spectroscopy; spectral analysis; stable isotopes
Abstract:
... Three sesquiterpene glycosides were isolated from the MeOH (70%) extract of flowers of Yucca gloriosa L. Their chemical structures were established using spectral analyses, i.e., 1D and 2D NMR (1H, ¹³C, HSQC, HMBC, COSY) and mass spectroscopy (ESI-MS). They all were new glycoside derivatives of nerolidol and a new class for the genus Yucca. Glycoside 1 had the structure (1E,3S,5R,6E,9E)-5-O-β-D-gl ...
DOI:
10.1007/s10600-018-2262-x

33. Steroid glycosides of garden onion seeds

Author:
Kintya, P.K.; Degtyareva, L.P.
Source:
Chemistry of natural compounds 1989 v.25 no.1 pp. 124-125
ISSN:
0009-3130
Subject:
seeds; Allium cepa; spectral analysis; chemical constituents of plants; glycosides; chemical structure
DOI:
10.1007/BF00596720

34. Steroidal Saponin from Allium porrum

Author:
L. N. Gvazava; A. V. Skhirtladze
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1093-1095
ISSN:
0009-3130
Subject:
Allium porrum; chemical structure; fractionation; spectral analysis; steroid saponins
Abstract:
... A new steroidal glycoside (1) was isolated by fractionation of total extracted substances from Allium porrum. Its structure was determined as (25R)-5α-spirostan-3β,6β-diol-12-one 3-O-β-D-glucopyranosyl-(1→2)-[β-D-fucopyranosyl-(1→3)]-β-D-glucopyranosyl-(1→4)-β-D-galactopyranoside using chemical transformations, physical constants, and spectral data. ...
DOI:
10.1007/s10600-017-2208-8

35. Structure of korselimine

Author:
Samikov, K.; Shakirov, R.; Yunusov, S.Yu.
Source:
Chemistry of natural compounds 1989 v.25 no.1 pp. 37-39
ISSN:
0009-3130
Subject:
Fritillaria sewerzowii; alkaloids; spectral analysis; mass spectrometry; infrared spectroscopy; electron paramagnetic resonance spectroscopy; chemical constituents of plants; chemical structure
DOI:
10.1007/BF00596692

36. Structure of vasicol

Author:
Tekzhenetskaya, M.V.; Tashkhodzhaev, B.; Yagudaev, M.R.; Ibragimov, B.T.; Yunusov, S.Yu.
Source:
Chemistry of natural compounds 1989 v.25 no.1 pp. 14-18
ISSN:
0009-3130
Subject:
X-ray diffraction; alkaloids; spectral analysis; Peganum harmala; chemical constituents of plants; chemical structure
DOI:
10.1007/BF00596685

37. Synthesis and Physicochemical Properties of 8-bromo-7-[2-hydroxy-3-(4-tert-butyl)phenoxypropyl-1]-3-methylxanthine Derivatives

Author:
N. I. Romanenko; M. V. Nazarenko; D. G. Ivanchenko; A. Yu. Cherchesova; E. V. Aleksandrova
Source:
Chemistry of natural compounds 2014 v.50 no.3 pp. 511-514
ISSN:
0009-3130
Subject:
chemical reactions; chemical structure; organobromine compounds; physicochemical properties; spectral analysis; xanthines
Abstract:
... A simple preparative synthetic method for previously undescribed 8-bromo-7-[2-hydroxy-3-(4-tertbutyl) phenoxypropyl-1]-3-methylxanthine derivatives, potential biologically active compounds and convenient synthons for further synthetic investigations, was developed. The spectral properties of the synthesized compounds were studied. ...
DOI:
10.1007/s10600-014-0998-5

38. Synthesis and Physicochemical Properties of Imidazo[1,2-f]Xanthine Derivatives

Author:
N. I. Romanenko; T. N. Rak; O. A. Pakhomova; D. G. Ivanchenko; A. A. Mylova
Source:
Chemistry of natural compounds 2014 v.50 no.1 pp. 80-82
ISSN:
0009-3130
Subject:
chemical structure; physicochemical properties; spectral analysis; xanthine
Abstract:
... A simple preparative method for the synthesis of imidazo[1,2-f]xanthine derivatives, promising synthons for further modification of the xanthine molecule, was developed. The spectral characteristics of the synthesized compounds were studied. ...
DOI:
10.1007/s10600-014-0871-6

39. Synthesis and molecular structure of halohydrins of the guaianolide ludartin

Author:
Dzhalmakhanbetova, R. I.; Gatilov, Yu V.; Shakirov, M. M.; Atazhanova, G. A.; Adekenov, S. M.
Source:
Chemistry of natural compounds 2010 v.46 no.2 pp. 222-226
ISSN:
0009-3130
Subject:
chemical structure; sesquiterpenoids; spectral analysis; synthesis
Abstract:
... Chloro—and bromhydrin derivatives of the sesquiterpene lactone ludartin were synthesized for the first time. Their structures were established by spectral data and an x-ray structure analysis. ...
DOI:
10.1007/s10600-010-9574-9

40. Synthesis of 1-Alkyltetrahydroisoquinolines

Author:
A. Sh. Saidov; M. G. Levkovich; V. I. Vinogradova
Source:
Chemistry of natural compounds 2013 v.49 no.5 pp. 897-901
ISSN:
0009-3130
Subject:
acids; chemical structure; nuclear magnetic resonance spectroscopy; spectral analysis; tetrahydroisoquinolines
Abstract:
... 1-Alkyltetrahydroisoquinolines were prepared by a Bischler–Napieralski reaction starting from homoveratrylamine and monobasic acids. Their structures were confirmed by IR and NMR spectral data. ...
DOI:
10.1007/s10600-013-0772-0

41. Synthesis of Dihalocarbene Derivatives of Arglabin

Author:
R. I. Dzhalmakhanbetova; V. A. Raldugin; I. Yu. Bagryanskaya; Yu. V. Gatilov; M. M. Shakirov; A. T. Kulyyasov; S. M. Adekenov
Source:
Chemistry of natural compounds 2005 v.41 no.5 pp. 552-555
ISSN:
0009-3130
Subject:
chemical derivatives; chemical structure; sesquiterpenoid lactones; spectral analysis; synthesis
Abstract:
... Dibromocarbene and bisdichlorocarbene derivatives of the available sesquiterpene lactone arglabin were synthesized for the first time. The structures of the molecules were established by spectra methods and XSA. ...
DOI:
10.1007/s10600-005-0204-x

42. Synthesis of Several 5α-D-Homosteroid Derivatives Based on Tigogenin

Author:
M. I. Merlani; L. Sh. Amiranashvili; E. P. Kemertelidze
Source:
Chemistry of natural compounds 2014 v.50 no.3 pp. 480-482
ISSN:
0009-3130
Subject:
chemical reactions; chemical structure; spectral analysis; spectroscopy; steroids
Abstract:
... New 5α-D-homosteroids were synthesized from the steroidal sapogenin tigogenin using a Beckmann rearrangement. The structures of the synthesized steroids were characterized by spectral methods. ...
DOI:
10.1007/s10600-014-0992-y

43. Synthesis of new derivatives based on benzo-crown ethers and some natural amines

Author:
K. M. Valikhanov; I. A. Stempnevskaya; A. A. Rakhimov; M. G. Levkovich; A. K. Tashmukhamedova
Source:
Chemistry of natural compounds 1998 v.34 no.5 pp. 613-615
ISSN:
0009-3130
Subject:
amines; carboxylic acids; chemical structure; chlorides; ethanolamine; ethers; spectral analysis
Abstract:
... The condensation of benzo-crown ether carboxylic acid chlorides with piperidine, morpholine, ethanolamine, N,N-diethylaminoethanolamine, salsolidine, and salsoline has given new derivatives of benzo-12-crown-4 and benzo-15-crown-5. The structures of the compounds synthesized have been shown by their PMR spectra. ...
DOI:
10.1007/BF02319287

44. Three antibacterial compounds from the roots of Pteris multifida

Author:
Hao-bin, Hu; Xu-dong, Zheng; Huai-sheng, Hu; Hong, Cao
Source:
Chemistry of natural compounds 2009 v.45 no.1 pp. 45-48
ISSN:
0009-3130
Subject:
Pteris; antibacterial properties; chemical structure; plant extracts; roots; sesquiterpenoids; spectral analysis
Abstract:
... A new eudesmane-type sesquiterpenoid, 3β-caffeoxyl-1β,8α-dihydroxyeudesm-4(15)-ene (1), together with two known compounds including ludongnin V (2) and isoneorautenol (3), were isolated from the roots of Pteris multifida. Their structures were determined by spectral and chemical methods, with their antibacterial activities being evaluated by the microdilution technique, respectively. ...
DOI:
10.1007/s10600-009-9258-5

45. Triterpene glycosides from Astragalus and their genins. XC. Askendoside K from Astragalus taschkendicus

Author:
I. M. Isaev; M. I. Isaev
Source:
Chemistry of natural compounds 2011 v.47 no.4 pp. 587-591
ISSN:
0009-3130
Subject:
Astragalus; chemical structure; glycosides; plant extracts; spectral analysis; triterpenoids
Abstract:
... A new triterpene cycloartane glycoside called askendoside K was isolated from roots of Astragalus taschkendicus Bunge (Leguminosae). The structure of this glycoside was established using chemical and biochemical transformations and spectral data. Askendoside K was a bisdesmoside of cycloorbigenin C and had the structure 23R,24R-cycloartan-3β,6α,16β,23,24,25-hexaol 3-O-[(α-L-arabinopyranosyl)(1 → 2 ...
DOI:
10.1007/s10600-011-0002-6

46. Two New Alkaloids from the Seeds of Cassia alata and Their Anti-Tobacco Mosaic Virus Activity

Author:
Yan Yang; Shan-Zhai Shang; Wei Zhao; Huan-huan Xing; Hang-Ying Ma; Ling Zhou; Min Zhou; Yan-Qing Ye; Hai-Yan Wu; Gang Du; Dong-Lai Zhu; Qiu-Fen Hu
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1127-1130
ISSN:
0009-3130
Subject:
Senna alata; alkaloids; antiviral properties; chemical structure; nuclear magnetic resonance spectroscopy; seed extracts; seeds; spectral analysis; viruses
Abstract:
... Two new alkaloids, 3-(hydroxymethyl)-6,9-dimethyl-7H-benzo[de]quinolin-7-one (1) and 3-(hydroxymethyl)-8-methoxy-6,9-dimethyl-7H-benzo[de]quinolin-7-one (2), together with two known alkaloids (3 and 4) were isolated from the seeds of Cassia alata. Their structures were determined by means of HR-ESI-MS and extensive 1D and 2D NMR spectroscopic studies. Compounds 1–4 were tested for their anti-tobac ...
DOI:
10.1007/s10600-017-2215-9

47. Two new benzaldehyde derivatives from mangrove endophytic fungus (No. ZZF 32)

Author:
Shao, Changlun; Wang, Changyun; Wei, Meiyan; Jia, Zhenbin; She, Zhigang; Lin, Yongcheng
Source:
Chemistry of natural compounds 2009 v.45 no.6 pp. 779-781
ISSN:
0009-3130
Subject:
benzaldehyde; chemical structure; endophytes; fungi; nuclear magnetic resonance spectroscopy; spectral analysis; South China Sea
Abstract:
... Two new benzaldehyde derivatives, 6-ethyl-2-hydroxy-4-methoxy-3-methylbenzaldehyde (1), 6-ethyl-2,4-dihydroxy-3-methylbenzaldehyde (2), together with 2, 4-dihydroxy-3,6-dimethylbenzaldehyde (3) were isolated from mangrove fungus (No. ZZF 32#) from the South China Sea. The structures of compounds 1 and 2 were established by comprehensive analysis of the spectral data, especially 2D NMR spectral res ...
DOI:
10.1007/s10600-010-9509-5

48. Two new compounds and other constituents from Cassia fistula root bark

Author:
Nishant Kumar Jain; Satish Chandra Jain; Renuka Jain
Source:
Chemistry of natural compounds 2013 v.49 no.2 pp. 232-234
ISSN:
0009-3130
Subject:
Cassia fistula; Cinnamomum aromaticum; anthraquinones; bark; chemical structure; lupeol; palmitic acid; roots; spectral analysis; sterols
Abstract:
... Two new compounds, 4-dodecyl-1,3,8-trihydroxyanthraquinone and hexacosanoyl quinate, along with three long-chain compounds, heptacosyl eicosanoate, palmitic acid, 1-hexacosanol; two sterols, β-sitosterol, β-sitosterol-β-D-glucoside; one triterpene, lupeol; and two anthraquinones, chrysophanol and physcion, were isolated from the root bark of Cassia fistula. The chemical structures of the isolated ...
DOI:
10.1007/s10600-013-0569-1

49. A new flavonol glycoside from the aerial part of Alhagi pseudalhagi

Author:
D. F. Alimova; K. A. Eshbakova; Kh. M. Bobakulov; N. D. Abdullaev
Source:
Chemistry of natural compounds 2013 v.49 no.3 pp. 437-439
ISSN:
0009-3130
Subject:
Alhagi; aerial parts; chemical structure; flavonols; glycosides; spectral analysis
Abstract:
... The new flavonol glycoside alhaoside was isolated from the aerial part of Alhagi pseudalhagi (Fabaceae). The structure 3′,4′-di-O-methylquercetin-3-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranosyl-7-O-α-Lrhamnopyranosyl-(1→6)-β-D-galactopyranoside was established for alhaoside based on spectral characteristics and chemical transformations. ...
DOI:
10.1007/s10600-013-0632-y

50. A new lignan from the roots of Stellera chamaejasme

Author:
Li-Ping Liu; Xiao-Yang Wang; Hong-Bing Wang
Source:
Chemistry of natural compounds 2012 v.48 no.4 pp. 559-561
ISSN:
0009-3130
Subject:
Thymelaeaceae; chemical structure; lignans; roots; spectral analysis
Abstract:
... A new lignan, stellerachama A (1), was isolated from the roots of Stellera chamaejasme. The structure of the new compound was elucidated by analysis of spectrometric data. ...
DOI:
10.1007/s10600-012-0309-y

51. A new triterpene from the leaves of Craibiodendron yunnanense

Author:
Hui-Ling Ma; Jin-Yi Qin; Lei Wang; Sheng-Xiang Yang; Ming-Hua Chiu; Xian-Min Zhang; Jin-Ming Gao
Source:
Chemistry of natural compounds 2008 v.44 no.1 pp. 44-47
ISSN:
0009-3130
Subject:
Ericaceae; chemical structure; leaves; plant extracts; spectral analysis; triterpenoids
Abstract:
... A new triterpene, taraxast-20(30)-en-3β,12β-diol (1), and eight known compounds were isolated from the leaves of Craibiodendron yunnanense. Their structures were established on the basis of spectral evidence. ...
DOI:
10.1007/s10600-008-0012-1

52. A new triterpenoid saponin and other saponins from Salicornia europaea

Author:
Min Yin; Xiangyun Wang; Ming Wang; Yu Chen; Yunfa Dong; Youyi Zhao; Xu Feng
Source:
Chemistry of natural compounds 2012 v.48 no.2 pp. 258-261
ISSN:
0009-3130
Subject:
Iva; Salicornia; chemical structure; esters; oleanolic acid; spectral analysis; triterpenoid saponins
Abstract:
... A new triterpenoid saponin, 3β,29-dihydroxy-olean-12-en-28-oic acid 28-O-β-D-glucopyranosyl ester (1), together with four known triterpenoid saponins, i.e., oleanolic acid 28-O-β-D-glucoside (2), chikusetsusaponin IVa methyl ester (3), calenduloside E (4), and calenduloside E 6'-methyl ester (5), was isolated from Salicornia europaea Linn. Their structures were elucidated on the basis of spectral ...
DOI:
10.1007/s10600-012-0216-2

53. A novel lignanoid and norbisabolane sesquiterpenoids from Glochidion puberum

Author:
Min Liu; Hai-Tao Xiao; Hong-ping He; Xiao-Yan Hao
Source:
Chemistry of natural compounds 2008 v.44 no.5 pp. 588-590
ISSN:
0009-3130
Subject:
Phyllanthaceae; chemical structure; plant extracts; sesquiterpenoids; spectral analysis
Abstract:
... A novel lignanoid, named glochinin A (1), along with two known norbisabolane sesquiterpenoids, namely glochicoccin D (2) and phyllaemblic acid (3), were isolated from Glochidion puberum. Their structures were elucidated by spectral analysis. ...
DOI:
10.1007/s10600-008-9142-8