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You searched for: Journal name Chemistry of natural compounds Remove constraint Journal name: Chemistry of natural compounds Publication year rev 7984-2016 Remove constraint Publication year rev: 7984-2016 Source 2016 v.52 no.6 Remove constraint Source: 2016 v.52 no.6
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1. Brahin, a New Lipoxygenase Inhibiting Triterpene from Spiraea brahuica

Author:
Sundus Shabbir; Itrat Fatima; Farah Inamullah; Uzma Rasheed Mughal; Sadia Khan; Mehdi Hassan Kazmi; Abdul Malik; Rasool Bakhsh Tareen; Tanvir Abbas
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1044-1046
ISSN:
0009-3130
Subject:
chemistry; nuclear magnetic resonance spectroscopy; linoleate 13S-lipoxygenase; cinnamic acid; triterpenoids; Spiraea; beta-sitosterol
Abstract:
... Brahin (1), a new ursene-type triterpene, has been isolated from the CHCl₃-soluble fraction of Spiraea brahuica together with β-sitosterol (2), 3-(3,4-dimethoxyphenyl)-2-propenal (3), and cinnamic acid (4), which are reported for the first time from this species. The structures of these compounds were elucidated by 1D and 2D NMR spectroscopic techniques. Brahin showed moderate inhibitory activity ...
DOI:
10.1007/s10600-016-1857-3

2. Chemical Compositions of Amaranthus retroflexus

Author:
Guangtao Qian; Zhicai Wang; Lei Zhang; Fangfei Xu; Baohui Wang; Dandan Li; Yanping Chen
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 982-985
ISSN:
0009-3130
Subject:
Amaranthus retroflexus; amino acids; chemical composition; electrospray ionization mass spectrometry; flavonoids; nuclear magnetic resonance spectroscopy; sphingolipids; sterols
Abstract:
... Eight compounds, including one sphingolipid (1), two flavonoids (2, 3), four sterols (4–7), and one amino acid (8), had been isolated and purified from Amaranthus retroflexus L. Their structures were elucidated on the basis of spectroscopic analyses, including 1D and 2D NMR and ESI-MS. Among them, 1-O-β-D-glucopyranosyl-(2S,3R,4R,8E)-2-[(2′R)-2′-hydroxytetracosanoylamino]-1,3,4-octadecanetriol-8-e ...
DOI:
10.1007/s10600-016-1841-y

3. Composition and Pharmacological Activity of Neutral Lipids from Rhizomes with Roots of the Introduced Plants Helleborus abchasicus and H. caucasicus

Author:
S. G. Yunusova; T. A. Sapozhnikova; R. Yu. Khisamutdinova; N. S. Makara; S. F. Gabdrakhmanova; F. S. Zarudii; Z. V. Ishchenko; O. N. Denisenko; S. S. Lyashenko; M. S. Yunusov
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 973-978
ISSN:
0009-3130
Subject:
Helleborus; anti-inflammatory activity; chemistry; cholesterol; fatty acids; introduced plants; lanosterol; rhizomes; roots; triacylglycerols; underground parts
Abstract:
... The compositions of neutral lipids (NL) and fatty acids (FA) from subterranean parts of the introduced plants Helleborus abchasicus and H. caucasicus (Ranunculaceae) were established and compared with those of the wild species. The FA from diacyl- and triacylglycerides and free FA from these introduced species had elevated contents of unsaturated acids because of 18:2. The lipid-soluble NL constit ...
DOI:
10.1007/s10600-016-1839-5

4. A New Griseofulvin Derivative from the Marine-Derived Arthrinium sp. Fungus and Its Biological Activity

Author:
Mei-Yan Wei; Ru-Fang Xu; Si-Ying Du; Chang-Yun Wang; Tong-Yi Xu; Chang-Lun Shao
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1011-1014
ISSN:
0009-3130
Subject:
Artemia salina; Micrococcus luteus; antibacterial properties; chemistry; dysentery; fungi; griseofulvin; lethal concentration 50; nuclear magnetic resonance spectroscopy; spectral analysis; South China Sea
Abstract:
... One new griseofulvin derivative, (+)-5-chlorogriseofulvin (1), together with two known analogues, griseofulvin (2) and dechlorogriseofulvin (3), was isolated from the marine-derived fungus Arthrinium sp. collected from the South China Sea. The structure of the new compound was elucidated on the basis of NMR spectroscopic data and on the basis of the CD experiments compared with those of 2 and 3. C ...
DOI:
10.1007/s10600-016-1849-3

5. New Heterocyclic Pyrano[2′,3′:5,6]Chromeno[3,2-c]Pyridin-4-Ones and Furo[2′,3′:5,6]Chromeno[3,2-c]Pyridin-3(2H)-Ones Synthesized Via a Hetero-Diels–Alder Reaction

Author:
A. V. Popova; G. P. Mrug; K. M. Kondratyuk; S. P. Bondarenko; M. S. Frasinyuk
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1000-1004
ISSN:
0009-3130
Subject:
aurones; chemistry; isoflavones; morpholine
Abstract:
... The behavior of flavonoid Mannich bases in inverse electron-demand hetero-Diels–Alder reactions was studied. Isoflavones and aurones were used as examples to show that their Mannich bases reacted with 4-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)morpholine through an elimination mechanism and subsequent cycloaddition to form derivatives of the new heterocyclic systems pyrano[2′,3′:5,6]chromeno[3,2-c ...
DOI:
10.1007/s10600-016-1846-6

6. A New Lathyrane Diterpenoid Ester from Euphorbia Dracunculoides

Author:
Li Wang; Ya-Tuan Ma; Qian-Yun Sun; Zhen Zang; Fu-Mei Yang; Jin-Ping Liu; Jin-He Jiang; Sheng-Xiong Huang; Yong Zhao
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1037-1040
ISSN:
0009-3130
Subject:
Euphorbia dracunculoides; aerial parts; chemistry; diterpenoids; nuclear magnetic resonance spectroscopy
Abstract:
... A new lathyrane diterpenoid ester, euphordracunculin C (1), together with a phenolic amide, 4-hydroxy-N-[3-(4-hydroxy-3-methoxyphenyl)-1-oxo-2-propen-1-yl]-3-methoxybenzamide (2), was isolated from the aerial parts of Euphorbia dracunculoides. The structure of the new compound was elucidated on the basis of spectroscopic analysis including 1D and 2D NMR techniques. ...
DOI:
10.1007/s10600-016-1855-5

7. A New Myrinsol Diterpenoid Ester from Euphorbia dracunculoides

Author:
Yu-Qian Chi; Li Wang; Wen-Bing Ouyang; Ya-Tuan Ma; Ming-Ming Yu; Zhen Zang; Yan Zhao; Sheng-Xiong Huang; Yong Zhao
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1041-1043
ISSN:
0009-3130
Subject:
Euphorbia dracunculoides; aerial parts; chemistry; diterpenoids; spectral analysis
Abstract:
... A new myrinsol diterpenoid ester, 2α,3β,5α,7β,10-O-pentacetyl-14α-O-benzoyl-15β-O-nicotinoyl-10,18-dihydromyrsinol (1), along with a known analogue, proliferin C (2), were isolated from the aerial parts of Euphorbia dracunculoides Lam. Their structures were elucidated on the basis of spectroscopic evidence and comparison with literatures. ...
DOI:
10.1007/s10600-016-1856-4

8. 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

9. A New Phenolic Compound from Schizonepeta tenuifolia

Author:
Xu-Hua Huang; Jia Chen; Xiao-Qing Xu; Wen-Ting Zhang; Chun-Chao Zhao
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1005-1007
ISSN:
0009-3130
Subject:
Schizonepeta tenuifolia; chemistry; chromatography; spectral analysis
Abstract:
... A new phenolic compound, schitenoside C (1), and 23 known compounds (2–24), were isolated from Schizonepeta tenuifolia by repeated column chromatography. Their structures were assigned by spectroscopic data interpretation. Among them, compounds 2–5, 7, and 9–23 were isolated from this genus for the first time. ...
DOI:
10.1007/s10600-016-1847-5

10. A New Sesquiterpene from the Rhizomes of Hedychium yunnanense

Author:
Yupeng Li; Simeng Zhao; Guangzhi Zeng; Junju Xu; Yan Li; Ninghua Tan
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1026-1028
ISSN:
0009-3130
Subject:
Hedychium; chemistry; nuclear magnetic resonance spectroscopy; rhizomes; sesquiterpenoids
Abstract:
... A new sesquiterpene, hedyunchene A (1), was isolated from the rhizomes of Hedychium yunnanense, together with two known compounds 6β-hydroxystigmasta-4,22-dien-3-one (2) and 6β-hydroxystigmast-4-en-3-one (3). Their structures were determined on the basis of NMR (1D and 2D) and mass spectroscopic analysis. ...
DOI:
10.1007/s10600-016-1853-7

11. New Steroidal Glycosides from the Starfish Acanthaster planci

Author:
L. T. Vien; T. T. H. Hanh; P. T. T. Huong; V. A. Tu; N. V. Thanh; E. G. Lyakhova; N. X. Cuong; N. H. Nam; P. V. Kiem; C. V. Minh; A. A. Kicha; V. A. Stonik
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1056-1060
ISSN:
0009-3130
Subject:
Acanthaster planci; chemistry; glycosides; mass spectrometry; methanol; nuclear magnetic resonance spectroscopy
Abstract:
... Two new and three known polyhydroxysteroid glycosides were isolated from the MeOH extract of the starfish Acanthaster planci. The structures of the isolated compounds were elucidated using NMR and mass spectrometry. The new glycosides had the same aglycon, (24S)-24-methyl-5α-cholestane-3β,4β,6α,8,15β,16β,28-heptaol, and different carbohydrate fragments,2-O-methyl-β-D-xylopyranosyl-(1→2)-β-D-galact ...
DOI:
10.1007/s10600-016-1860-8

12. Phytochemical Investigation of Gymnotheca chinensis

Author:
Shiji Xiao; Maosheng Zhang; Lang LingHu; Shaobin Fu; Fang Chen; Lisheng Ding; Yan Zhou
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 979-981
ISSN:
0009-3130
Subject:
Saururaceae; chemical derivatives; chemical structure; nuclear magnetic resonance spectroscopy; plant biochemistry
Abstract:
... A new benzocycloheptanone derivative, named gymnothedelignan C, and 14 known compounds were isolated from the Chinese endemic genus plant Gymnotheca chinensis Decne. The structure of the new compound was established by 1D and 2D NMR experiments. ...
DOI:
10.1007/s10600-016-1840-z

13. Preparation and NMR Spectroscopic Studies of the Supramolecular Inclusion Complex of Anabasine and β-Cyclodextrin

Author:
T. M. Seilkhanov; O. A. Nurkenov; A. Zh. Isaeva; L. A. Nazarenko; O. T. Seilkhanov
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1066-1068
ISSN:
0009-3130
Subject:
anabasine; beta-cyclodextrin; chemistry; nuclear magnetic resonance spectroscopy; piperidines; spectral analysis; stable isotopes
Abstract:
... Complexation of the alkaloid anabasine by β-cyclodextrin was studied by NMR spectroscopy. The changes of chemical shifts of ¹H and ¹³C nuclei of the substrate and receptor in an inclusion complex were determined. It was found that anabasine reacted with β-cyclodextrin to form a 1:1 stoichiometric supramolecular inclusion complex with the piperidine fragment of the substrate in the receptor inner c ...
DOI:
10.1007/s10600-016-1862-6

14. Reaction of Imperialine with Isocyanates

Author:
M. A. Eshonov; Kh. M. Bobakulov; N. I. Mukarramov; K. K. Turgunov; B. Tashkhodzhaev; N. D. Abdullaev; R. Shakirov
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1061-1065
ISSN:
0009-3130
Subject:
X-ray diffraction; chemistry; nuclear magnetic resonance spectroscopy
Abstract:
... Three new imperialine derivatives, i.e., 3-O-2-nitrophenylcarbamatoimperialine, 3-O-ethylaminocarbonylimperaline, and 3-O-allylaminocarbonylimperialine, were synthesized. The structures of the synthesized compounds were established using PMR and ¹³C NMR spectroscopy and a DEPT experiment and were confirmed by an X-ray crystal structure analysis (XSA). A comparison of the steric structures of imper ...
DOI:
10.1007/s10600-016-1861-7

15. Solid-Phase Synthesis of Cyclic Heptapeptide Stylissatin A

Author:
Yu-lei Li; Xue-cui Bao; Yuan-yuan Gao; Chao Liu; Yan Zou; Fang Yan
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1069-1072
ISSN:
0009-3130
Subject:
amino acids; chemistry; macrophages; mice; nitric oxide; nuclear magnetic resonance spectroscopy; reversed-phase high performance liquid chromatography
Abstract:
... The present study achieves the total synthesis of a new proline-rich cyclic heptapeptide as an inhibitor of nitric oxide production in LPS-stimulated murine macrophage RAW264.7 cells, where all the amino acids are of L-configuration. A general method was described to synthesize the cyclic peptide by a two-step solid-phase/solution synthesis strategy. The linear octapeptide was assembled by standar ...
DOI:
10.1007/s10600-016-1863-5

16. Synthesis from Norambreinolide, Structure, and Antimicrobial Activity of Dihomodrimane Sesquiterpenoids with Azine, Hydrazide, and Dihydrazide Fragments

Author:
A. N. Aricu; K. I. Kuchkova; A. N. Barba; I. P. Dragalin; S. G. Shova; N. Vornicu; E. K. Gorinchoi; E. S. Sekara; L. V. Lungu; M. Niculaua; N. D. Ungur; P. F. Vlad
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1029-1036
ISSN:
0009-3130
Subject:
acids; anti-infective properties; chemistry; hydrazides; sesquiterpenoids
Abstract:
... 12,12′-Azino-di-8′-hydroxy-11-dihomodrimane, N,N′-di-(8′-hydroxy-11-dihomodrim-12-ylidene)-adipic acid dihydrazide, N,N′-di-(∆⁸,¹³-bicyclohomofarnesenoyl)-hydrazine, and hydrazides of ∆⁸,⁹- and ∆⁸,¹³-bicyclohomofarnesenoic acids were synthesized. ...
DOI:
10.1007/s10600-016-1854-6

17. Transformations of (–)-α-Pinene Peroxide Ozonolysis Products by Hydrazines of HCl and H2SO4

Author:
Yu. V. Legostaeva; L. R. Garifullina; I. S. Nazarov; A. A. Kravchenko; G. Yu. Ishmuratov
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1020-1022
ISSN:
0009-3130
Subject:
esters; hydrazines; hydrochloric acid; ozonolysis; sulfuric acid
Abstract:
... The reactivities of hydrazines of HCl and H₂SO₄ for (–)-α-pinene peroxide ozonolysis products were studied. It was shown that these reagents were less effective and selective than semicarbazide hydrochloride for transformations into cis-pinonic acid and its esters. ...
DOI:
10.1007/s10600-016-1851-9

18. Anthraquinones and Iridoids from Morinda officinalis

Author:
Fei Yang; Yan Fang Su; Ze Qing Zhao; Meng Que; Tian Xiang Li; Xiu Mei Gao
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 989-991
ISSN:
0009-3130
Subject:
Morinda; anthraquinones; chemistry; iridoids; nuclear magnetic resonance spectroscopy; roots; spectral analysis
Abstract:
... A new anthraquinone, 2,5,8-trihydroxy-1-methoxyanthraquinone (1), was isolated from the roots of Morinda officinalis together with two anthraquinones, 1,4-dihydroxyanthraquinone (2) and anthragallol-1,3-dimethylether (3), and two iridoids, ningpogenin (4) and monotropein methyl ester (5). The structure of 1 was elucidated by spectroscopic methods including 1D, 2D NMR, HR-MS, and IR. This is the fi ...
DOI:
10.1007/s10600-016-1843-9

19. Coumarins from the Leaves of Nicotiana tabacum and Their Anti-Tobacco Mosaic Virus Activities

Author:
Chun-Bo Liu; Qin-Peng Shen; Yun Wang; Feng-Mei Zhang; Pei He; Xiao-Xi Si; Kun-Miao Wang; Rui-Zhi Zhu; Neng-Jun Xiang; Zhi-Hua Liu
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 992-995
ISSN:
0009-3130
Subject:
Nicotiana tabacum; chemistry; coumarins; leaves; nuclear magnetic resonance spectroscopy; spectral analysis; viruses
Abstract:
... Two new coumarins, 6-hydroxy-7-methyl-3-(4′-methoxyphenyl)-coumarin (1) and 6-hydroxy-5-methoxy-7-methyl-3-(4′-methoxyphenyl)-coumarin (2), together with five known coumarins (3–7), were isolated from the leaves of Nicotiana tabacum. Their structures were determined by means of HR-ESI-MS and extensive 1D and 2D NMR spectroscopic studies. Compounds 1–7 were tested for their anti-tobacco mosaic viru ...
DOI:
10.1007/s10600-016-1844-8

20. New Acylated Apigenin Glycosides from Edge Flowers of Matricaria chamomilla

Author:
D. N. Olennikov; N. I. Kashchenko
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 996-999
ISSN:
0009-3130
Subject:
Matricaria chamomilla; apigenin; chemistry; flowers; glucosides; intestinal secretions; microorganisms; stomach
Abstract:
... Two new acylated apigenin glucosides that were identified as apigenin-7-O-(4″-malonyl)-β-Dglucopyranoside (1) and apigenin-7-O-(4″-malonyl-6′′-acetyl)- β-D-glucopyranoside (2) were isolated from edge flowers of Matricaria chamomilla [Chamomilla recutita], variety Podmoskovnaya. The effects of stomach and intestinal juices and cellular microflora on the stability of 1 and 2 were studied. ...
DOI:
10.1007/s10600-016-1845-7