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You searched for: Journal name Chemistry of natural compounds Remove constraint Journal name: Chemistry of natural compounds Publication year rev 7983-2017 Remove constraint Publication year rev: 7983-2017 Source 2017 v.53 no.3 Remove constraint Source: 2017 v.53 no.3
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1. Anti-Tobacco Mosaic Virus Chromones from the Twigs of Cassia fistula

Author:
Qiu-Fen Hu; Ye-De Wang; Zhen-Hua Yu; Kun Zhou; Wei Dong; Min Zhou; Yin-Ke Li; Xue-Mei Gao; Dong-Lai Zhu; Yan-Qing Ye
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 453-456
ISSN:
0009-3130
Subject:
Cassia fistula; antiviral properties; branches; chemistry; nuclear magnetic resonance spectroscopy; spectral analysis; viruses
Abstract:
... Two new chromones, fistulachromones A and B (1 and 2), together with three known chromones (3–5), were isolated from the twigs of Cassia fistula. Their structures were determined by means of HR-ESI-MS and extensive 1D and 2D NMR spectroscopic studies. Compounds 1 and 2 were tested for their anti-tobacco mosaic virus (anti-TMV) activities. Compounds 1 and 2 showed high anti-TMV activities with inhi ...
DOI:
10.1007/s10600-017-2021-4

2. Chemical Constituents of Hypericum petiolulatum

Author:
Dan-Yun Rui; Xuan-Qin Chen; Zhen Li; Li-Yuan Tang; Fei Li
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 457-462
ISSN:
0009-3130
Subject:
2,2-diphenyl-1-picrylhydrazyl; Hypericum; aerial parts; antioxidant activity; breast neoplasms; butylated hydroxytoluene; chemical composition; cytotoxicity; free radicals; humans; inhibitory concentration 50; methanol; neoplasm cells; nuclear magnetic resonance spectroscopy; prostatic neoplasms; spectral analysis; xanthones
Abstract:
... Chemical study on the methanol extract of aerial parts of Hypericum petiolulatum led to the isolation of one new polycyclic polyprenylated acylphloroglucinol (PPAP), dihroxuralodin (1), and one new chromone (2), together with four known PPAPs (3–6) and nine xanthones (7–15). Their structures were established on the basis of spectroscopic data, including IR, MS, 1D, and 2D NMR. All the isolated PPA ...
DOI:
10.1007/s10600-017-2022-3

3. 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

4. Chemical Constituents of the Notoginseng Medicinal Fungal Substance

Author:
Wei Xu; Cai Feng Ding; Xiao Li Liu; Xin Wen Wang; Zhi Dong Qiu
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 483-485
ISSN:
0009-3130
Subject:
chemical composition; fungi; nuclear magnetic resonance spectroscopy
Abstract:
... A new compound, notoginsenoside ST-7 (1), and one known compound notoginsenoside ST-1 (2), were isolated from notoginseng medicinal fungal substance. The structure of the new compound was elucidated by combined analysis of the 1D and 2D NMR data, the HR-ESI-MS data, and a CD experiment with dimolybdenum tetraacetate [Mo₂(OAc)₄] complexation. ...
DOI:
10.1007/s10600-017-2027-y

5. Isolation and Structural Characterization of Cellulose from Arctic Brown Algae

Author:
K. G. Bogolitsyn; D. V. Ovchinnikov; P. A. Kaplitsin; A. S. Druzhinina; A. E. Parshina; E. V. Shul′gina; M. P. Semushina; L. A. Aleshina
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 533-537
ISSN:
0009-3130
Subject:
Fucus vesiculosus; Laminaria; cellulose; chemistry; Arctic region
Abstract:
... A scheme for producing cellulose from the artic brown algae Fucus vesiculosus and Laminaria digitata was proposed. The physicochemical and structural features of the cellulose samples were studied and compared with those of celluloses from higher plants. Cellulose from Fucus vesiculosus was found primarily in the Iα-form; from Laminaria digitata, the Iα- and Iβ-forms. The studied samples were assu ...
DOI:
10.1007/s10600-017-2039-7

6. Isoquinoline Alkaloids from Michelia fuscata

Author:
H. T. Li; C. L. Kao; C. R. Tsai; W. J. Li; C. Y. Chen
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 504-507
ISSN:
0009-3130
Subject:
4-hydroxybenzoic acid; Michelia; benzoquinones; chemistry; hydroxybenzaldehyde; isoquinoline alkaloids; methylparaben; sesquiterpenoids; spectral analysis; stems; steroids; syringic acid
Abstract:
... Two new isoquinoline alkaloids, fuscatine A (1) and fuscatine B (2), along with 21 compounds including eight isoquinoline alkaloids, northalifoline (3), thalifoline (4), corydaldine (5), N-methylcorydaldine (6), (6,7-dimethoxyisoquinolinyl)-(4′-methoxyphenyl)-methanone (7),(6,7-dimethoxyisoquinolinyl)-(4′-hydroxyphenyl)-methanone (8), liriodenine (9), and corydine (10); two steroids, β-sitosterone ...
DOI:
10.1007/s10600-017-2032-1

7. Modified Coumarins. 39. Synthesis of Aloperine-Containing Mannich Bases of 7-Hydroxycoumarins

Author:
Ya. L. Garazd; M. M. Garazd
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 444-447
ISSN:
0009-3130
Subject:
alkaloids; aminomethylation; umbelliferones
Abstract:
... The possibility of using the alkaloid aloperine for aminomethylation of hydroxycoumarins was investigated. Series of substituted 6- and 8-(aloperin-1-yl)methyl derivatives of 7-hydroxycoumarins were synthesized. ...
DOI:
10.1007/s10600-017-2019-y

8. Modified Coumarins. 40. Synthesis of Benzopyran-2-One Carbonyl Derivatives of 9-Nitrocytisine

Author:
S. Yu. Patrikei; Ya. L. Garazd; M. M. Garazd
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 448-452
ISSN:
0009-3130
Subject:
chemical derivatives; psoralens; synthesis
Abstract:
... Derivatives of coumarins, furocoumarins, and dihydropyranocoumarins containing a 9-nitrocytisine moiety were synthesized. ...
DOI:
10.1007/s10600-017-2020-5

9. A New Aporphine Alkaloid from Aconitum carmichaelii

Author:
Xiang-dong Qin; Shu Yang; Yan Zhao; Yuan Gao; Fu-cai Ren; Dong-ying Zhang; Fei Wang
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 501-503
ISSN:
0009-3130
Subject:
Aconitum carmichaelii; aerial parts; chemistry; isoquinoline alkaloids; nuclear magnetic resonance spectroscopy
Abstract:
... A new aporphine alkaloid, 6-formyl-1,2,9,10-tetramethoxy-6a,7-dehydroaporphine (1), was isolated from the aerial parts of Aconitum carmichaelii along with two known isoquinoline alkaloids, glaucine (2) and norglaucine hydrochloride (3). The structure of 1 was determined by extensive spectroscopic methods, especially 2D NMR analyses. ...
DOI:
10.1007/s10600-017-2031-2

10. A New Hydroxyjasmonic Acid Derivative from Polygonum capitatum

Author:
Yang Yang; Ying-Bo Yang; Wen-Quan Lu; Zhi-Jun Wu; Wan-Sheng Chen
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 417-421
ISSN:
0009-3130
Subject:
Persicaria capitata; butanol; chemistry; ethanol; jasmonic acid; spectral analysis
Abstract:
... A new hydroxyjasmonic acid derivative, named β-D-glucopyranosyl-12-hydroxy-12-(2″-hydroxy-2″-carboxyethyl)jasmonic acid (1), together with 13 known compounds, were isolated from the n-butanol fraction of the ethanol extract of Polygonum capitatum. Their structures were determined on the basis of spectral analysis. Compounds 2, 8–10, and 12–14 were obtained from P. capitatum for the first time. ...
DOI:
10.1007/s10600-017-2012-5

11. 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

12. A New ent-kaurane Diterpene Glycoside from Seeds of Pharbitis nil

Author:
Kyeong Wan Woo; Kyoung Jin Park; Sang Zin Choi; Mi Won Son; Ki Hyun Kim; Kang Ro Lee
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 468-471
ISSN:
0009-3130
Subject:
Ipomoea nil; bioassays; chemistry; cytotoxicity; diterpenoids; enzymatic hydrolysis; glycosides; humans; neoplasm cells; seeds
Abstract:
... A new ent-kaurane diterpene glycoside, pharboside H (1), and three known compounds, benzyl β-D-glucopyranoside (2), 1-(4′-O-glucopyranosyl-4′-hydroxy-3′,5′-dimethoxyphenyl)-2{2′′,6′′-dimethoxy-4′′-[1-(E) propen-3-ol]-phenoxy}-propane-l,3-diol (3), and butyl caffeate (4), were isolated from the seeds of Pharbitis nil. The structure of the new compound 1 was elucidated by 1D and 2D data analysis and ...
DOI:
10.1007/s10600-017-2024-1

13. On Nitrogen Coordination in Vincadifformine-Type Alkaloids

Author:
Sh. M. Adizov; B. Tashkhodzhaev; V. P. Bruskov; S. A. Talipov; P. Kh. Yuldashev; V. M. Malikov
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 512-516
ISSN:
0009-3130
Subject:
Vinca minor; alkaloids; crystal structure; nitrogen; salts
Abstract:
... X-ray crystal structure analyses (XSAs) were performed for the alkaloid (±)-vincadifformine (racemate) isolated from Vinca minor and (–)-vincadifformine methyliodide and the natural 5-oxo derivatives of (–)-vincadifformine ervinidinine and ervincinine isolated from Vinca erecta. The XSA results showed that tetrahedral N4 inverted on going from the base to the salt form of vincadifformine. The calc ...
DOI:
10.1007/s10600-017-2034-z

14. One New Phthalate Derivative from Nepeta kurramensis

Author:
Najeeb Ur Rehman; Nisar Ahmad; Javid Hussain; Liaqat Ali; Hidayat Hussain; Nusrat Bakht; Ahmed Al-Harrasi; Zabta Khan Shinwari
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 426-428
ISSN:
0009-3130
Subject:
Nepeta; beta-sitosterol; chemistry; mass spectrometry; nuclear magnetic resonance spectroscopy; phthalates; ursolic acid
Abstract:
... One new phthalate, named kurraminate (1), has been isolated from Nepeta kurramensis Rech. f., along with five known compounds, bis(2-ethylicosyl)phthalate (2), ursolic acid (3), β-sitosterol (4), β-amyrin (5), and 1-nonacosanol (6). The structure of the compounds was identified on the basis of their 1D and 2D NMR and mass spectrometry. ...
DOI:
10.1007/s10600-017-2014-3

15. Prenylated Isocoumarins from the Fermentation Products of the Endophytic Fungus Aspergillus versicolor and Their Anti-Tobacco Mosaic Virus Activities

Author:
Qiu-Fen Hu; Huan-Huan Xing; Ye-De Wang; Zhen-Hua Yu; Ke-Liang Yan; Kun Zhou; Wei Dong; Min Zhou; Hai-Ying Yang; Dong-Lai Zhu; Gang Du
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 436-439
ISSN:
0009-3130
Subject:
Aspergillus versicolor; antiviral properties; chemistry; endophytes; fermented foods; fungi; isocoumarins; nuclear magnetic resonance spectroscopy; viruses
Abstract:
... Two new prenylated isocoumarins, versicolols C and D (1 and 2), together with three known isocoumarins (3–5), were isolated from the fermentation products of the endophytic fungus Aspergillus versicolor. Their structures were elucidated by spectroscopic methods, including extensive 1D and 2D NMR techniques. The anti-tobacco mosaic virus (anti-TMV) activities of compounds 1 and 2 were evaluated. Th ...
DOI:
10.1007/s10600-017-2017-0

16. Sterols and Fatty Acids from Attheya Planktonic Diatoms

Author:
I. V. Stonik; I. I. Kapustina; N. A. Aizdaicher; V. I. Svetashev
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 422-425
ISSN:
0009-3130
Subject:
Attheya; Bacillariophyceae; chemistry; phylogeny; plankton; polyunsaturated fatty acids; sterols
Abstract:
... Sterols and fatty-acids isolated from laboratory cultures of the diatoms Attheya decora, A. arenicola, and A. longicornis were studied. The studied cultures of these species were substantially different with respect to the quantitative contents of polyunsaturated fatty acids and sterols. Rare sterols were found in several strains. It was shown that A. arenicola contained primarily 24-ethylcholeste ...
DOI:
10.1007/s10600-017-2013-4

17. Synthesis of Benzoannelated Canthin-6-One Analogs

Author:
O. A. Sen’ko; A. G. Dybenko; M. M. Garazd; V. G. Kartsev
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 523-528
ISSN:
0009-3130
Subject:
benzoates; chemical derivatives; indole alkaloids; synthesis
Abstract:
... Benzoannelated structural analogs of the natural alkaloid canthin-6-one were synthesized. ...
DOI:
10.1007/s10600-017-2037-9

18. Synthesis of Betulin Derivatives with an α,β-Alkenenitrile in a Five-Membered Ring A

Author:
A. V. Konysheva; I. A. Tolmacheva; D. V. Eroshenko; V. V. Grishko
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 497-500
ISSN:
0009-3130
Subject:
betulin; carcinoma; cytotoxicity; humans; inhibitory concentration 50; lung neoplasms; neoplasm cells; oxidation
Abstract:
... Betulin derivatives with a β-substituted α,β-alkenenitrile in a five-membered ring A were synthesized via intramolecular oxo-nitrile cyclization of 28-benzoyloxy-3-methyl-3-oxo-1-cyano-2,3-seco-2-norlup-20(29)-ene followed by allylic oxidation of the cyclization product isopropylidene moiety. It was found that 3β-hydroxy-3-methyl-2-hydroxyimino-2-norlup-20(29)-en-28-ol (2), 3-methyl-3-oxo-1-cyano- ...
DOI:
10.1007/s10600-017-2030-3

19. Transformations of 6,7-difluoroquinoxaline with Indoles: Synthesis of Indole-Substituted 6,7-difluoroquinoxalines and Tris(indol-3-yl)methane Derivatives

Author:
Yu. A. Azev; O. S. Ermakova; M. A. Ezhikova; M. I. Kodess; V. S. Berseneva; I. S. Kovalev
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 519-522
ISSN:
0009-3130
Subject:
chemical derivatives; chemical structure; indoles; quinoxalines; synthesis
Abstract:
... 6,7-Difluoroquinoxaline (1) reacted with 1- and 2-methylindoles (2a and 2b) with heating in AcOH to give products from substitution of H in the heterocyclic fragment (3a and 3b) and tris(indol-3-yl)methane derivatives (4a and 4b). ...
DOI:
10.1007/s10600-017-2036-x

20. Biotransformation of Ginsenosides Re and Rg1 into Rg2 and Rh1 by Thermostable β-Glucosidase from Thermotoga thermarum

Author:
Jianjun Pei; Tao Wu; Tao Yao; Linguo Zhao; Gang Ding; Zhenzhong Wang; Wei Xiao
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 472-477
ISSN:
0009-3130
Subject:
Thermotoga thermarum; beta-glucosidase; biotransformation; ginsenosides; medicinal properties; pH; temperature; thermal stability
Abstract:
... The recombinant thermostable β-glucosidase from Thermotoga thermarum DSM 5069ᵀ exhibited high selectivity to catalyze the conversion of ginsenoside Re and Rg₁ to the more pharmacologically active minor ginsenoside Rg₂ and Rh₁, respectively. At a concentration of 1.36 U/mL of the enzyme, a temperature of 85°C, and pH 5.5, 10 g/L ginsenoside Re was transformed into 8.02 g/L Rg₂ within 60 min, and 2 ...
DOI:
10.1007/s10600-017-2025-0