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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 Text Availability Citation in PubAg Remove constraint Text Availability: Citation in PubAg
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1. 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

2. 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

3. 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

4. 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

5. 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

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. 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

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. 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

15. 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

16. 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

17. 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

18. 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

19. 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

20. 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