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You searched for: Journal Chemistry of natural compounds Remove constraint Journal: Chemistry of natural compounds Journal name Chemistry of natural compounds Remove constraint Journal name: Chemistry of natural compounds Text Availability Citation in PubAg Remove constraint Text Availability: Citation in PubAg
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1. 13-Epi-9-Deacetylxenicin Derivatives from a Taiwanese Soft Coral Asterospicularia laurae and Treir Cytotoxic Activity

Author:
Zheng-Yu Lin; Kun-Ching Cheng; Huey-Jen Su; Chi-I Chang; Jue-Liang Hsu; Min-fen Hsu; Mei-Chin Lu; Yun-Sheng Lin
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 659-668
ISSN:
0009-3130
Subject:
X-ray diffraction; acylation; corals; cytotoxicity; diterpenoids; humans; mass spectrometry; metabolites; neoplasm cells; spectral analysis
Abstract:
... The xenicane-type diterpene 13-epi-9-deacetylxenicin (1) was isolated from polar extract of the soft coral Asterospicularia laurae. The structure of 13-epi-9-deacetylxenicin was determined by X-ray diffraction analysis, and the absoulte configuration was determined using the modified Mosher′s method. Eleven acylation products of 13-epi-9-deacetylxenicin were prepared: 13-epi-9-O-p-anisoylxenicin ( ...
DOI:
10.1007/s10600-022-03765-z

2. Anti-Proliferative Naphthalene Glucoside from Aerial Part of Neanotis wightiana

Author:
Niranjan Das; Prashanta Kumar Deb; Eunus S. Ali; Manash C. Das; Biswatrish Sarkar; Siddhartha Kumar Mishra
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 21-26
ISSN:
0009-3130
Subject:
aerial parts; breast neoplasms; chemistry; cytotoxicity; glucosides; humans; naphthalene; neoplasm cells; spectral analysis
Abstract:
... A new bioactive naphthalene glucoside, named neanoside C (1), was isolated from the aerial part of Neanotis wightiana. The structure of neanoside C (1) was elucidated as 1,4-dihydroxy-2-(6′-Omethylglucopyranosyloxymethyl)-naphthalene-3-vinyloxyglucopyranoside by interpretation of the spectroscopic data, including 2D NMR and chemical studies. Neanoside C (1) was further subjected to screening for a ...
DOI:
10.1007/s10600-022-03591-3

3. Antifungal Cytosporone Derivatives from the Mangrove-Derived Fungus Dothiorella sp. ML002

Author:
Daniel Osei Dankyira; Bin Wang; Jin Cai; Wei-nv Zeng; Guo-Lei Huang; Cai-Juan Zheng
Source:
Chemistry of natural compounds 2022 v.58 no.5 pp. 842-844
ISSN:
0009-3130
Subject:
Candida albicans; Dothiorella; chemistry; fermentation; fungi; spectral analysis
Abstract:
... A new cytosporone derivative, dothiorelone P (1), and one known analog, dothiorelone E (2), were isolated from fermentation culture of the mangrove-derived fungus Dothiorella sp. ML002. Their structures were identified by comprehensive analyses of 1D and 2D NMR and HR-ESI-MS spectroscopic data. Compound 2 exhibited inhibitory activity against Candida albicans with the MIC value of 6.25 μg/mL. ...
DOI:
10.1007/s10600-022-03812-9

4. Antimicrobial Secondary Metabolites from the Marine-Derived Actinomycete Nocardiopsis synnemataformans HT06

Author:
Vu Thi Quyen; Le Thi Hong Minh; Vu Thi Thu Huyen; Nguyen Mai Anh; Nguyen Thi Hue; Phi Thi Dao; Nguyen Thuy Linh; Pham Van Cuong; Doan Thi Mai Huong
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 704-707
ISSN:
0009-3130
Subject:
Nocardiopsis; antimicrobial properties; benzoic acid; chemistry; cinnamic acid; culture media; secondary metabolites; vanillin
Abstract:
... Analysis of an antimicrobial extract prepared from the culture broth of the marine-derived actinomycete Nocardiopsis synnemataformans (HT06 strain) led to the isolation of a new C-glucoside benzoic acid derivative, 4βC-glucopyranosyl-3,5-dihydroxy-2-methoxybenzoic acid (1), along with eight known compounds, norharman (2), (E)-4-(3-hydroxy-4-methoxyphenyl)but-3-en-2-one (3), methyl 2,3,4,9-tetrahyd ...
DOI:
10.1007/s10600-022-03772-0

5. Antinociceptive Diterpenoid Alkaloids from the Roots of Aconitum pseudostapfianum

Author:
Jiang Hu; Jiaxun Li; Qiang Li; Xia Mao; Tianfeng Peng; Nianhua Jin; Huiqing Liu; Si Yin; Chong Liu
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 312-315
ISSN:
0009-3130
Subject:
Aconitum; acetaminophen; analgesic effect; aspirin; chemistry; mass spectrometry; nuclear magnetic resonance spectroscopy; phytochemicals
Abstract:
... Phytochemical investigation of the roots of Aconitum pseudostapfianum resulted in the isolation of two new C19-diterpenoid alkaloids, designated as pseudostapines A and B (1 and 2). Their structures were determined by spectral methods such as 1D and 2D (¹H–¹H COSY, HMQC, NOESY, and HMBC) NMR spectroscopy, in addition to high-resolution mass spectrometry. The isolated alkaloids were tested in vivo ...
DOI:
10.1007/s10600-022-03666-1

6. Antioxidant, Antibacterial, and Antiproliferative Activities of a New Phenolic Compound from Cirsium creticum subsp. creticum

Author:
M. Ozer; H. Caliskan; T. Sabudak; H. H. Orak; B. Batar; D. Gulen; E. Serdal
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 264-268
ISSN:
0009-3130
Subject:
Cirsium; antioxidants; phenolic acids; spectroscopy
Abstract:
... In the our ongoing studies on the isolation of new molecules from Cirsium creticum subsp. creticum (Asteraceae), a new phenolic acid derivative 1 was isolated from the plant. Its structure was established on the basis of various spectroscopic methods. As part of our investigations into the biological activities of isolated bioactive compounds, antioxidant, antibacterial, and antiproliferative acti ...
DOI:
10.1007/s10600-022-03656-3

7. Aspergillines K and L, Two New Anti-TMV Indole Alkaloids from Fungus Aspergillus versicolor Derived from Tobacco

Author:
Ya-Ning Zhu; Ming-Xin Liu; Bing-Biao Cai; Yong Li; Man-Fei Li; Hua-Shun Liu; Min Zhou; Guang-Yu Yang; Qiu-Fen Hu; Yin-Ke Li; Xue-Mei Li
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 712-716
ISSN:
0009-3130
Subject:
Aspergillus versicolor; antiviral properties; chemistry; fungi; indoles; spectroscopy; tobacco; viruses
Abstract:
... Two new (1 and 2) and four known (3–6) CPA-type indole alkaloids were isolated from the fungus Aspergillus versicolor. 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) activity. The results showed that compounds 1 and 2 demonstrated potential anti-TMV activity with ...
DOI:
10.1007/s10600-022-03774-y

8. Asymmetric Synthesis of (S)-14-Methyl-1-Octadecene, the Sex Pheromone of the Peach Leafminer Moth

Author:
Guo-Guo He; Chun-Ting He; Bao-Qi Rao; Bei-Bei Chen; Hong-Jin Bai; Tao Zhang; Zhen-Ting Du
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 320-325
ISSN:
0009-3130
Subject:
carbon; chemical reactions; leafminers; moths; peaches; sex pheromones; stereoselective synthesis
Abstract:
... An asymmetric synthesis of 14-methyl-1-octadecene, the sex pheromone of the peach leafminer moth, has been achieved efficiently. From a key intermediate (R)-4-(benzyloxy)-2-methylbutan-1-ol and 1,11-undecanediol, the target molecule was synthesized in 10 linear steps with 34% yield. The key intermediate (R)-4-benzyloxy-2-methylbutan-1-ol was prepared through Evans′ template (R)-4-benzyl-2-oxazolid ...
DOI:
10.1007/s10600-022-03668-z

9. Bioactive Terpenoid from the Fruits of Lagerstroemia speciosa and its Molecular Docking Study

Author:
Saswata Rabi; Md. Nazrul Islam; Md. Din Islam; Ranajit K. Sutradhar
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 485-490
ISSN:
0009-3130
Subject:
Lagerstroemia; antifungal properties; chemistry; spectral analysis
Abstract:
... Bioactive terpenoids 1 and 2 along with a known compound, β-sitosterol, have been isolated from the DCM extract of the fruits of Lagerstroemia speciosa. Structures of 1 and 2 have been established by spectroscopic analysis. In vitro antibacterial and antifungal activity of 1 and 2 have been reported. Compound 1 showed poor activity, but compound 2 exhibited significant antibacterial and antifungal ...
DOI:
10.1007/s10600-022-03716-8

10. Catechin-O-Rhamnosides from Vaccinium vitis-idaea Stems

Author:
D. N. Olennikov; A. A. Shamilov
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 269-273
ISSN:
0009-3130
Subject:
Vaccinium vitis-idaea; chemistry; chromatography; mass spectrometry; nuclear magnetic resonance spectroscopy
Abstract:
... Chromatographic separation of the Me₂CO extract of Vaccinium vitis-idaea L. (Ericaceae) stems isolated new catechin-O-glycosides that were identified using UV, IR, and NMR spectroscopy and mass spectrometry as (–)-epicatechin-3-O-α-L-rhamnopyranoside (vacciniside D, 1), (+)-catechin-3-O-[4′′-O-(3′′′-hydroxy-3′′′-methylglutaroyl)]-α-L-rhamnopyranoside (vacciniside E, 2), and (+)-catechin-3-O-(2′′,4 ...
DOI:
10.1007/s10600-022-03657-2

11. Chemical Constituents of Yucca gloriosa Flowers

Author:
M. M. Benidze; A. V. Skhirtladze; M. Z. Getia; E. P. Kemertelidze
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 50-54
ISSN:
0009-3130
Subject:
Yucca gloriosa; glycosides; sesquiterpenoids; triterpenoids; Georgia
Abstract:
... Four new sesquiterpene glycosides and one triterpene glycoside were isolated from flowers of Yucca gloriosa L. introduced into Georgia. ...
DOI:
10.1007/s10600-022-03595-z

12. Chemical Constituents of the Aerial Part of Zygophyllum gaetulum

Author:
M. Belguidoum; H. Dendougui; H. Araya; Y. Fujimoto; S. Akkal; C. Bensaci; A. Belfar; K. Bireche; M. Hadjadj
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 9-13
ISSN:
0009-3130
Subject:
Zygophyllum; aerial parts; spectral analysis; sulfates; triterpenoid saponins
Abstract:
... A new megastigman sulfate (1) was isolated from the aerial part of Zygophyllum gaetulum. The structure of 1 was elucidated as (E)-3-sulfooxymegastigm-7-en-9-one by analysis of spectroscopic data. In addition, 22 known compounds were isolated. Triterpenoid saponins 3, 4, 5, 7, 9, 12, and 13, and compounds 17–23 were isolated from Z. gaetulum for the first time. ...
DOI:
10.1007/s10600-022-03588-y

13. Chromone Derivatives from Cassia auriculata and their Antibacterial Activity

Author:
Jia-Rui Jiang; Jian-Duo Zhang; Geng-Yun Yin; Jian-Quan Shi; Bing-Biao Cai; Wen-Wu Yang; Le-Le Deng; Li Xu; Tao Zhou; Qiu-Fen Hu; Min Zhou; Wei-Song Kong
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 420-423
ISSN:
0009-3130
Subject:
Cassia; Staphylococcus aureus; antibacterial properties; chemistry
Abstract:
... Two new chromone derivatives (1 and 2) were isolated from the twigs of Cassia auriculata. Their structures were elucidated by spectroscopic methods, including extensive 1D and 2D NMR techniques. Compounds 1 and 2 were evaluated for their anti-methicillin-resistant Staphylococcus aureus (anti-MRSA) activity. The results revealed that compounds 1 and 2 showed good inhibition with IZD of 12.8 ± 2.2 a ...
DOI:
10.1007/s10600-022-03698-7

14. Constituent Composition of Physalis angulata

Author:
I. L. Khikmatullaev; O. Sh. Boimatov; N. K. Yuldasheva; D. Sh. Azizova; E. O. Terent’eva; R. K. Rakhmanberdyeva; S. D. Gusakova; S. F. Aripova
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 596-600
ISSN:
0009-3130
Subject:
Physalis angulata; aerial parts; esterification; polysaccharides; seeds; water solubility
Abstract:
... Total alkaloids (0.6%) were isolated from the aerial part of Physalis angulata. The known alkaloids cuscohygrine and tropine were identified for the first time in it. Neutral and polar lipids from seeds and fatty acids from leaves of P. angulata were characterized. Neutral (12.35%) and polar lipids (2.18%) were isolated from seeds. Their fatty-acid compositions (16–17 constituents) were determined ...
DOI:
10.1007/s10600-022-03749-z

15. The Facial and Short Method for the Synthesis of Z/E-Isomers of Acetate of 12-Tetradecene-1-ol Components of the Sex Pheromone Ostrinia furnacalis

Author:
Jiu-ming Li; Ting-ting Huang; Ning Xu; Xing-yang Xu; Hong-cui Yu
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 520-523
ISSN:
0009-3130
Subject:
Ostrinia furnacalis; acetates; nitric acid; oxidation; sex pheromones; sodium nitrite; spectral analysis
Abstract:
... The sex pheromones of Ostrinia furnacalis Z/E-isomers of acetate of 12-tetradecene-1-ol were synthesized in an overall yield of 44.5% with 1,12-dodecanediol as a starting material via mono-esterification, PCC oxidation, and the Wittig reaction. The Z/E-isomers ratio was 72:28. Configuration transformation of Z/E-isomers 72:28 mixture treated with sodium nitrite and nitric acid resulted in the prod ...
DOI:
10.1007/s10600-022-03724-8

16. Fatty-Acid Composition and Biological Activity of Lipids from Plantago ovata Seeds

Author:
R. Nuerxiati; C. F. Lu; X. Ning; A. Wubulikasimu; N. Mukhamedov; A. Aierken; Sh. Ya. Mirzaakhmedov; A. Yili
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 213-216
ISSN:
0009-3130
Subject:
Plantago ovata; antioxidants; oleic acid
Abstract:
... The chemical composition of fatty acids in lipids from Plantago ovata Forssk. seeds was studied. The yield of lipids was 6.12%. The lipids consisted mainly of linoleic (41.20%) and 9-octadecenoic acid (26.56%). The antioxidant and antimicrobial activities of the obtained lipids were assessed for the first time. ...
DOI:
10.1007/s10600-022-03643-8

17. Further Study on Chemical Constituents from the Seeds of Michelia hedyosperma

Author:
Hai-jun Wang; Li-na Qin; Ming-Zhu Li; Xian-you Wang
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 75-77
ISSN:
0009-3130
Subject:
Magnolia hypolampra; glucosides; spectral analysis
Abstract:
... A new phenylpropanoid glucoside, michehedyoside G (1), together with two known compounds, including 9-(β-D-ribofuranosyl)-adenosine (2) and (±)-1,2-methylenedioxy-4-(1,2,3-trihydroxypropyl)-benzene (3), were isolated from the seeds of Michelia hedyosperma Y. W. Law (Magnoliaceae). Their structures were confirmed by comprehensive spectroscopic analysis. ...
DOI:
10.1007/s10600-022-03599-9

18. Glycosides of Rosmarinic Acid from Nepeta multifida

Author:
N. I. Kashchenko; D. N. Olennikov
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 274-278
ISSN:
0009-3130
Subject:
Nepeta; Schizonepeta; chemistry; glycosides; mass spectrometry; nuclear magnetic resonance spectroscopy; rosmarinic acid
Abstract:
... Roots of Nepeta multifida L. (Schizonepeta multifida (L.) Briq.; Lamiaceae) contained 15 observed compounds including two new rosmarinic acid glycosides 1 and 2. UV and NMR spectroscopy and mass spectrometry showed that the new compounds were rosmarinic acid 3,3′-di-O-methyl ether 4′-O-β-D-glucopyranoside (nepetamultin C, 1) and rosmarinic acid 3′-O-methyl ether 4′-O-β-D-glucopyranoside (nepetamul ...
DOI:
10.1007/s10600-022-03658-1

19. Isoflavonoids from Roots of Pueraria hirsuta Distributed in Georgia and their Hepatoprotective Activity

Author:
N. Sh. Kavtaradze; M. D. Alaniya; M. Z. Getia; N. M. Gogitidze; N. I. Mushkiashvili; K. G. Mulkijanyan; L. V. Mskhiladze; E. P. Kemertelidze
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 27-31
ISSN:
0009-3130
Subject:
Pueraria montana var. lobata; chemistry; daidzein; daidzin; flora; genistin; glycosides; hepatoprotective effect; liver; models; Georgia
Abstract:
... The new isoflavone glycoside 3′-hydroxydaidzein-7-O-β-D-glucopyranoside and four known isoflavones (daidzin, daidzein, genistin, and ononin) were isolated from Pueraria hirsuta (Thunb.) Matsum. introduced into the flora of Georgia. Total isoflavonoids from the roots exhibited hepatoprotective activity in an in vivo experiment in an acute CCl₄-induced liver injury model in mice. ...
DOI:
10.1007/s10600-022-03634-9

20. Isolation and Characterization of Anti-Inflammatory Chromones from Imperata cylindrica var. major

Author:
Hongyu Jiang; Huina Cao; Jingya Ruan; Wei Zhao; Ying Zhang; Yu Han; Qian Chen; Yi Zhang; Tao Wang
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 623-627
ISSN:
0009-3130
Subject:
Imperata cylindrica; anti-inflammatory activity; chemistry; lipopolysaccharides; models
Abstract:
... One new chromone, 5-hydroxy-8-O-β-D-glucopyranosyl-2-(2-phenylethyl)chromone (1), along with 13 known ones (2–14) were obtained and identified from a 70% EtOH extract of Imperata cylindrica var. major (Nees) C. E. Hubb. rhizomes. Among the known isolates, 3, 6, 10, 11, 13, and 14 were gained firstly from the Imperata genus. The lipopolysaccharides (LPS)-induced RAW 264.7 cell model was established ...
DOI:
10.1007/s10600-022-03756-0

21. Isolation and Characterization of Anti-Inflammatory Lignans from Oenanthe javanica

Author:
Rongrui Wei; Qinge Ma
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 407-410
ISSN:
0009-3130
Subject:
Oenanthe javanica; chemistry; lignans; spectral analysis
Abstract:
... A new lignan, named 1-phenylpropenoate-4,8′-lignan A (1), and three known lignans (2–4) were isolated from Oenanthe javanica (Blume) DC. for the first time. The structures of compounds 1–4 were determined by extensive spectroscopic data analysis and comparison with reported references. Compounds 1–4 were evaluated for their inhibitory activity against LPS-induced NO production in RAW264.7 cells. A ...
DOI:
10.1007/s10600-022-03699-6

22. Isolation and Characterization of Hepatoprotective Xanthones from the Fruits of Hovenia acerba

Author:
Xiaogen Ma; Lin Zhang; Xiaoli Zhang
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 245-248
ISSN:
0009-3130
Subject:
Hovenia acerba; Oriental traditional medicine; cell viability; chemistry; fruits; human cell lines; xanthone
Abstract:
... Hovenia acerba Lindl. is not only a delicious fruit but also a traditional Chinese medicine because of its nutritional and medicinal value. A new xanthone, named 1,3-dihydroxy-2-geranyl-4-isoprenyl-5-prenyl-11,12-dimethylpyranoxanthen-10-one (1), and six known xanthones 2–7 were isolated from H. acerba Lindl. for the first time. Compounds 1–7 were assayed for their hepatoprotective activities in H ...
DOI:
10.1007/s10600-022-03651-8

23. Isolation of One Sesquiterpenoid from the Endophytic Fungus Curvularia intermedia

Author:
Ming-Jen Cheng; Ming-Der Wu; Sung-Yuan Hsieh; Chung-Yi Chen; Jih-Jung Chen; Yueh-Hsiung Kuo
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 653-655
ISSN:
0009-3130
Subject:
Curvularia; Oryza sativa; chemistry; endophytes; fungi; sesquiterpenoids; spectral analysis; spectroscopy
Abstract:
... One new natural product, cadinane-type sesquiterpenoid, (±)-(2S*,3S*)-dihydroxy-α-corocalene (1), has been isolated from the endophytic fungus Curvularia intermedia, derived from the plant Oryza sativa. The structure was determined using spectroscopic methods, mainly 1D and 2D NMR, and comparison of the spectroscopic data with those reported for structurally related compounds. ...
DOI:
10.1007/s10600-022-03763-1

24. Isolation of Sesquiterpene Lactones and the Antioxidant and Anticancer Activities of Crude Extracts from Cyanthillium cinereum

Author:
J. Dharani; S. Ravi
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 40-46
ISSN:
0009-3130
Subject:
Cyanthillium cinereum; DNA replication; antineoplastic activity; antioxidant activity; antioxidants; cell lines; cytotoxicity; interphase; sesquiterpenoid lactones
Abstract:
... Three sesquiterpene lactones has been isolated from Cyanthillium cinereum (L.) H. Rob. by bioactivity guided assay and characterized by spectral methods as compounds 1, 2, and 3. The in vitro anticancer activity was tested against 786-O, MCF-7, and K562 cells by the MTT assay. Compound 1 showed IC₅₀ values of 12.5 and 10.4 μg/mL against 786-O cell line after 48 and 72 h, respectively, and matches ...
DOI:
10.1007/s10600-022-03593-1

25. Lipid Fatty Acids and Essential Oil from Ferula prangifolia Endemic in Uzbekistan

Author:
D. T. Asilbekova; G. Ozek; T. Ozek; Kh. M. Bobakulov; A. M. Nigmatullaev; Sh. Sh. Sagdullaev
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 217-221
ISSN:
0009-3130
Subject:
Ferula; chemistry; essential oils; fruits; Uzbekistan
Abstract:
... Lipids and essential oils from Ferula prangifolia Korovin (Apiaceae) endemic in Uzbekistan were studied for the first time. The compositions of lipid fatty acids and essential oils of fruit and leaves were established. ...
DOI:
10.1007/s10600-022-03644-7

26. Monoterpenoids from Seriphidium transiliense and their Biological Activity

Author:
J. F. Wu; A. Turak; R. Rouzimaimaiti; G. A. Zou; H. A. Aisa
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 32-36
ISSN:
0009-3130
Subject:
antioxidant activity; monoterpenoids; planting; testing
Abstract:
... Ten monoterpenoids, including new seritramentol A (1), were isolated from Seriphidium transiliense (Poljakov) Poljakov. Compounds 2, 3, 6, and 7 were isolated from this plant as new natural compounds that were previously synthesized. The structures of the compounds were elucidated by analyzing HR-ESI-MS, UV, IR, and 1D and 2D NMR spectra and calculating ECD spectra. Their absolute configurations w ...
DOI:
10.1007/s10600-022-03635-8

27. A New 4-Pyrane from Michelia figo

Author:
C. Y. Chen; C. L. Kao; S. T. Huang; H. C. Yeh; H. T. Li
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 418-419
ISSN:
0009-3130
Subject:
Michelia; chemistry; rooting; roots
Abstract:
... A new pyran-4-one, figopyrane (2,3-dimethoxy-6-methyl-4H-pyran-4-one) (1), was isolated from the roots of Michelia figo. The structure of the new constituent was essentially elucidated by spectral evidence. ...
DOI:
10.1007/s10600-022-03695-w

28. A New Alkyl Polyglycoside from Ardisia crispa

Author:
Rui-hang Hu; Yong-qiang Zhou; Chuan-wen Lei; Chang-bin Wang; Wei-qian Zhu; Xin Yin; Ying Zhou
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 593-595
ISSN:
0009-3130
Subject:
Ardisia crispa; chemistry; spectral analysis
Abstract:
... A new alkyl polyglycoside, together with two known compounds (2 and 3), was isolated from the roots of Ardisia crispa (Thunb.) A. DC. Structures of these compounds were identified by 1D, 2D NMR, and HR-ESI-MS spectral data analysis. ...
DOI:
10.1007/s10600-022-03748-0

29. A New Anti-Endometrial Cancer Diterpenoid Glucoside from Sheareria nana

Author:
Zhongyan Tang; Zhengxiang Xia
Source:
Chemistry of natural compounds 2022 v.58 no.5 pp. 870-873
ISSN:
0009-3130
Subject:
carcinoma; cell lines; chemistry; cytotoxicity; diterpenoids; endometrium; glucosides; humans; inhibitory concentration 50; spectral analysis
Abstract:
... A new diterpenoid glucoside, 15,16-dihydroxy-4-formyl-neo-clerodane-3,13 (Z)-dien-17-O-β-Dglucopyranosyl (1), was isolated from Sheareria nana S. Moore. The structure was elucidated by spectroscopic data. 1 was evaluated for cytotoxic activities against human endometrial carcinoma cells (Ishikawa and ECC-1). The results suggested that 1 exhibited moderate cytotoxic activity against Ishikawa and EC ...
DOI:
10.1007/s10600-022-03819-2

30. New Benzophenone and Bioactive Constituents from Hypericum nagasawae

Author:
Fu-Sen Wu; I-Chou Wang; Chia-Ching Liaw; Hsueh-Yang Huang; Tsung-Hsien Chang; Chun-Lin Chen; Ping-Jyun Sung; Ming-Jen Cheng; Chu-Wen Kuo; Jih-Jung Chen
Source:
Chemistry of natural compounds 2022 v.58 no.5 pp. 833-838
ISSN:
0009-3130
Subject:
Hypericum; aerial parts; benzophenones; cell lines; chemistry; spectroscopy
Abstract:
... A new benzophenone derivative, hyperinagasone (1), has been isolated from the aerial part of Hypericum nagasawae together with six known compounds, trichadonic acid (2), norathyriol (3), euxanthone (4), subalatin (5), hyperielliptone D (6), and 1,4-O-diferuloylsecoisolariciresinol (7). The structure of new compound 1 was determined through spectroscopic and MS analyses. Among the isolates, compoun ...
DOI:
10.1007/s10600-022-03810-x

31. A New Butenolide from the Co-Culture of the Endophyte Irpex lacteus, the Phytopathogenic Nigrospora oryzae, and the Host Dendrobium officinale

Author:
Shuang Yang; Shuang Su; Rong-Huan Cen; Li-Jingfei Sun; Xue-Qiong Yang; Ya-Bin Yang; Zhong-Tao Ding
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 404-406
ISSN:
0009-3130
Subject:
Aspergillus; Dendrobium officinale; Irpex lacteus; Khuskia oryzae; antifungal properties; chemistry; coculture; endophytes; host plants; metabolites; spectral analysis
Abstract:
... In this research, the co-culture of the host plant Dendrobium officinale, the endophyte Irpex lacteus, and the pathogenic Nigrospora oryzae was examined to study the interaction of host and endophytes by the production of metabolite. A rare butenolide, named nigrolactin (1), was isolated and its structure determined by spectral analysis. Compound 1 showed significant antifungal activity against As ...
DOI:
10.1007/s10600-022-03693-y

32. A New C19-Diterpenoid Alkaloid from Salted Aconiti Lateralis Radix Praeparata

Author:
Rongrui Wei; Lihua Chen; Qinge Ma
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 516-519
ISSN:
0009-3130
Subject:
alkaloids; cell death; chemistry; curcumin; neuroprotective effect
Abstract:
... A new C₁₉-diterpenoid alkaloid, named 17-acetylaconitine A (1), was isolated from salted Aconiti lateralis Radix Praeparata. The structure of compound 1 was elucidated by 1D and 2D NMR, HR-ESI-MS, IR, and related references. Compound 1 exhibited moderate neuroprotective activity with IC₅₀ value of 4.51 μM, which was evaluated for its neuroprotective activity against 6-OHDA-induced cell death in SH ...
DOI:
10.1007/s10600-022-03721-x

33. A New Calamenene Sesquiterpene Glycoside from the Bark of Thespesia populnea

Author:
Dam Phuc Nguyen; Y Kieu Le; Nhung Thi Tuyet Thai; Tuan Trong Nguyen; Nhat Vu Pham; Phuoc Huu Le; Tram Thi Thu Nguyen
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 459-463
ISSN:
0009-3130
Subject:
Escherichia coli; Thespesia populnea; acetone; antifungal properties; bark; betulinic acid; chemistry; ethyl acetate; glycosides; hexane; methylene chloride; oleanolic acid; sesquiterpenoids
Abstract:
... One new calamenene sesquiterpene glycoside, (1R,2R,3S,4S)-4-isopropyl-1,6-dimethyl-1,2,3,4- tetrahydronaphthalene-2,7-diol 3-O-β-D-glucopyranoside (1), along with five known compounds including betulinic acid (2), oleanolic acid (3), maslinic acid (4), daucosterol (5), and 6′-O-acetyl-β-daucosterol (6), was isolated from the bark of Thespesia populnea. The n-hexane, dichloromethane, and ethyl acet ...
DOI:
10.1007/s10600-022-03707-9

34. A New Chromone from Angelica polymorpha

Author:
Yongsoo Kwon; Heejung Yang; Wanjoo Chun; Myong Jo Kim; Jinfeng Yang
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 424-425
ISSN:
0009-3130
Subject:
Angelica; chemistry; phytochemicals
Abstract:
... Phytochemical investigation of the MeOH extract of Angelica polymorpha stem led to the isolation of a new chromone (compound 9, named polymorphachromic acid). Based on various spectral analyses, including CD spectrum, the structure of the newly identified compound was deduced to be (7S)-5,7-dihydroxy-8,8-dimethyl-4-oxo-6,7-dihydro-4H,8H-pyrano[3,2-g]chromene-2-carboxylic acid. ...
DOI:
10.1007/s10600-022-03700-2

35. A New Chromone from Roots of Saposhnikovia divaricata

Author:
Liu-Bin Wei; Si-Yuan Ma; Zheng-Bing Gu; Qi-Qiu Wei
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 230-232
ISSN:
0009-3130
Subject:
Saposhnikovia divaricata; breast neoplasms; chemistry; circular dichroism spectroscopy; cytotoxicity; human cell lines; humans; prostatic neoplasms
Abstract:
... One new chromone, (2′S,4′S)-5′-hydroxy-5-O-methylvisamminol (1), was isolated from the roots of Saposhnikovia divaricata. The structure of compound 1 was identified by spectroscopic methods including 1D, 2D NMR, and HR-ESI-MS data. The absolute configuration of compound 1 was elucidated by electronic circular dichroism (ECD) calculation. Compound 1 showed moderate cytotoxic activity against human ...
DOI:
10.1007/s10600-022-03647-4

36. New Compounds from Vaccinium vitis-idaea

Author:
D. N. Olennikov; A. A. Shamilov
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 240-244
ISSN:
0009-3130
Subject:
Vaccinium vitis-idaea; chemistry; mass spectrometry; nuclear magnetic resonance spectroscopy
Abstract:
... The new compounds vaccinisides A–C (1–3) were isolated from leaves of Vaccinium vitis-idaea (Ericaceae) and identified using chemical transformations; UV, IR, and NMR spectroscopy; and mass spectrometry as 2′ ,6′-di-O-caffeylarbutin (1), quercetin-3-O-[2′′-O-(3′′′-hydroxy-3′′′-methylglutaroyl)]-α-L-rhamnopyranoside (2), and quercetin-3-O-[2′′-O-(3′′′-hydroxy-3′′′-methylglutaroyl)-4′′-O-(3′′′′-hydr ...
DOI:
10.1007/s10600-022-03650-9

37. A New Diarylheptanoid from the Barks of Betula platyphylla

Author:
Ying-Nan Zhao; Ming Zhao; Jun Li; Zhi-Chun Shi; Dan Wang; Li-Qiu Sun; Jin-Lan Wang; Shu-Jun Zhang
Source:
Chemistry of natural compounds 2022 v.58 no.5 pp. 845-847
ISSN:
0009-3130
Subject:
Betula pendula subsp. mandshurica; chemistry; ethyl acetate; spectroscopy
Abstract:
... A new diarylheptanoid, 3,4-dihydroxy-1,7-bis(4′ ,4′′-dihydroxyphenyl)-heptane (1), was isolated from the ethyl acetate extract of Betula platyphylla. Its structure was established by spectroscopic analyses, including 1D and 2D NMR (¹H, ¹³C, COSY, HMBC, and HSQC) and HR-ESI-TOFMS, and comparison with the data of known analogs. ...
DOI:
10.1007/s10600-022-03813-8

38. A New Dimeric Flavonol Glucoside and Other Flavonoids from the Cytotoxic Methanolic Extract of the Flowers of Filipendula vulgaris Collected in Poland

Author:
Mohamed A. El-Ansari; Rasha R. Abdel-Latif; Katarzyana Baczek; Hanem M. Awad; Mohamed Sharaf
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 433-437
ISSN:
0009-3130
Subject:
Filipendula vulgaris; chemistry; cytotoxicity; doxorubicin; glucosides; humans; neoplasm cells; quercetin; spectroscopy; Poland
Abstract:
... From the methanolic extract of the flowers of Filipendula vulgaris, a new dimeric flavonol is isolated and identified as quercetinyl 3-O-glucoside-4′-O-4′′′′-quercetin (QI 3-O-glucoside-4′-O-4′′′′-QII) by chemical and spectroscopic methods. Also, six known flavonoids were isolated from the flowers for the first time and identified. The methanolic extract of the flowers (F) and quercetin (7), which ...
DOI:
10.1007/s10600-022-03703-z

39. A New Diphenyl Derivative from Endogenous Phoma sp. Associated with the Edible Mushroom Boletus edulis

Author:
Shuang Yang; Wen-Zhi Shi; Xing Long; Shi-Yu Li; Li-Jingfei Sun; Rong-Huang Ceng; Shuang Su; Xue-Qiong Yang; Ya-Bin Yang; Zhong-Tao Ding
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 261-263
ISSN:
0009-3130
Subject:
Boletus edulis; Epicoccum sorghinum; Glomerella cingulata; Khuskia oryzae; biphenyl; chemistry; metabolites; mushrooms; phytotoxins; plant pathogens
Abstract:
... An endogenous fungus was isolated from the edible mushroom Boletus edulis and determined as Phoma sp. The metabolites from Phoma sp. NM-46 were investigated. A new diphenyl derivative and two known phytotoxins were found from Phoma sp. NM-46, and their structures were determined by 1D NMR, 2D NMR, and HR-ESI-MS. The phytotoxins (2, 3) indicated obvious antifungal activities against phytopathogens, ...
DOI:
10.1007/s10600-022-03654-5

40. A New Diphenyl Ether from Aquilaria sinensis

Author:
C. Y. Chen; C. L. Kao; S. T. Huang; H. C. Yeh; H. T. Li; M. D. Wu; W. J. Li; M. J. Cheng
Source:
Chemistry of natural compounds 2022 v.58 no.4 pp. 634-636
ISSN:
0009-3130
Subject:
Aquilaria sinensis; chemistry; diphenyl ethers
Abstract:
... A new diphenyl ether, 3,3′-dihydroxy-2,2′,4,4′-tetramethoxy-6,6′-dimethyldiphenyl ether (1) was isolated from the woods of Aquilaria sinensis (Lour.) Spreng. (Thymelaeaceae). The structure of the new diphenyl ether was elucidated by chemical and physical evidence. ...
DOI:
10.1007/s10600-022-03758-y

41. A New Eremophilane Sesquiterpene from Cultures of the Fungus Pholiota nameko

Author:
Lin-Jiao Shao; Deng-Ji Lou; Yin-Fei Li; Ying-Zhong Liang; Wan-Rong Niu; Min Guo; Xiao-Yan Yang
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 464-467
ISSN:
0009-3130
Subject:
Pholiota microspora; chemistry; circular dichroism spectroscopy; fungi; sesquiterpenoids; spectral analysis
Abstract:
... A new eremophilane sesquiterpene (1), together with four known sesquiterpenes, donacinol B (2), donacinol C (3), trichapargin A (4), and trichapargin B (5), were isolated from cultures of the fungus Pholiota nameko. The structure of compound 1 was elucidated by extensive spectroscopic analysis and electronic circular dichroism (ECD) calculations. The known compounds (2–5) were determined by compar ...
DOI:
10.1007/s10600-022-03710-0

42. A New Geranylated Lignan from Oenanthe javanica and Anti-Inflammatory Activity

Author:
Rongrui Wei; Zhipei Sang; Qinge Ma
Source:
Chemistry of natural compounds 2022 v.58 no.5 pp. 808-811
ISSN:
0009-3130
Subject:
Oenanthe javanica; anti-inflammatory activity; chemistry; lignans; spectral analysis
Abstract:
... A new geranylated lignan, named 8′-geranylated lignan A (1), and a known lignan (2) were isolated from Oenanthe javanica (Blume) DC., to our knowledge, for the first time. Compounds 1 and 2 were determined by analyzing their extensive spectral data and comparing them with related references. Compounds 1 and 2 exhibited anti-inflammatory activities with IC₅₀ values of 15.24 ± 0.39 μM and 20.07 ± 0. ...
DOI:
10.1007/s10600-022-03803-w

43. A New Glycoside of Michelia fuscata

Author:
C. Y. Chen; C. L. Kao; M. H. Huang; H. T. Li
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 438-441
ISSN:
0009-3130
Subject:
4-hydroxybenzoic acid; Michelia; caffeic acid; chemistry; glycosides; hydroxybenzaldehyde; stigmasterol; vanillic acid
Abstract:
... Fuscatin B (1), liriodenine, (–)-anonaine, northalifoline, thalifoline, p-hydroxybenzoic acid, p-hydroxybenzaldehyde, vanillic acid, isovanillic acid, β-sitosterol, stigmasterol, 11,13-dehydrolanuginolide, and costunolide were isolated from the unripe flowers of Michelia fuscata (Magnoliaceae). Among them, fuscatin B is a new glycoside (caffeic acid phenethyl ester 3-O-4′′-rhamnosyl-(1′′→3′′′)-glu ...
DOI:
10.1007/s10600-022-03704-y

44. A New Icetexane Diterpenoid from the Endophytic Fungus Annulohypoxylon multiforme var. alaskense

Author:
Ming-Jen Cheng; Ming-Der Wu; Sung-Yuan Hsieh; Chung-Yi Chen; Jih-Jung Chen; Yueh-Hsiung Kuo
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 471-473
ISSN:
0009-3130
Subject:
Alnus formosana; chemistry; diterpenoids; endophytes; fungi; medicinal plants; spectral analysis
Abstract:
... An icetexane diterpenoid, 9(10→20)-abeo-abietane diterpenoid, annlomultialaskoside (1), has been isolated from the endophytic fungus Annulohypoxylon multiforme var. alaskense, derived from the medicinal plant Alnus formosana. The structure was determined by spectroscopic methods, mainly 1D and 2D NMR, and comparison of the spectroscopic data with those reported for structurally related compounds. ...
DOI:
10.1007/s10600-022-03713-x

45. A New Ketone Derivative from Victoria amazonica

Author:
C. Y. Chen; C. L. Kao; H. C. Yeh; H. T. Li; M. D. Wu; M. J. Cheng; W. J. Li
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 385-386
ISSN:
0009-3130
Subject:
Nymphaeaceae; chemistry; ketones; leaves
Abstract:
... A new ketone, vicamazone (4-(2-butoxyethoxy)-4-methylpentan-2-one) (1), was isolated from the leaves of Victoria amazonica (Nymphaeaceae). The structure of the new 4-methylpentan-2-one derivative was elucidated by chemical and physical evidences. ...
DOI:
10.1007/s10600-022-03691-0

46. A New Lignan from Gymnotheca involucrata

Author:
Dao-Wang Lu; Xun Zhang; Mei-Hang Chen
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 411-413
ISSN:
0009-3130
Subject:
Gymnotheca involucrata; chemistry; lignans; medicinal plants
Abstract:
... A new lignan, named gymnotheinvolin (1), and three known compounds (2–4) were isolated from the Chinese medicinal plant Gymnotheca involucrata. The structure of the new compound was established on the basis of 1D and 2D NMR experiments. ...
DOI:
10.1007/s10600-022-03697-8

47. A New Limonoid from Azadirachta indica

Author:
Yu-Xin Yan; Li-Jun Yan; Yong-Chao Wang; Ming-Hua Qiu
Source:
Chemistry of natural compounds 2022 v.58 no.3 pp. 482-484
ISSN:
0009-3130
Subject:
Azadirachta indica; chemistry; leaves; stems
Abstract:
... A new limonoid, 3-acetoxy-7-(2′-methylpropenoyl)-vilasinin lactone (1), together with a known analogue, 3-acetoxy-7-tigloylvilasinin lactone (2), was isolated from the leaves and stems of Azadirachta indica. Their structures were elucidated based on spectral methods and by comparison with the literature. ...
DOI:
10.1007/s10600-022-03715-9

48. New Metabolite from the Fungus Monascus lunisporas BCRC 33640

Author:
Ming-Jen Cheng; Ming-Der Wu; Chung-Yi Chen; Wen-Huang Peng; Jih-Jung Chen
Source:
Chemistry of natural compounds 2022 v.58 no.2 pp. 283-286
ISSN:
0009-3130
Subject:
Monascus; chemistry; fungi; metabolites; mutants; red yeast rice; sesquiterpenoids
Abstract:
... Careful examination of the hexane-soluble fraction of the ethanolic extract of red mold rice fermented with the yellow mutant of the fungus Monascus lunisporas BCRC 33640 (Eurotiaceae) led to the isolation of a new sesquiterpenoid derivative, namely monasuslunin (1) together with nine known compounds (2–10). Their structures were elucidated on the basis of extensive 1D and 2D NMR as well as HR-ESI ...
DOI:
10.1007/s10600-022-03660-7

49. A New Phenanthrene Derivative with α-Glucosidase Inhibitory Activity from Pleione maculata

Author:
Yu-Peng Li; Ya-Ping Chen; Xing-Long Chen; Yong-Sheng Tao; Rong-Ping Zhang
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 6-8
ISSN:
0009-3130
Subject:
Pleione; acarbose; chemistry; phenanthrenes
Abstract:
... A new phenanthrene, 2,3,7-trihydroxy-4,8-dimethoxyphenanthrene (1), was isolated from Pleione maculata. Its structure was determined on the basis of NMR (1D and 2D) and HR-ESI-MS data. The new compound was also evaluated for its α-glucosidase inhibitory activity. Compared with the positive control, the new compound even slightly exceeded the effect of acarbose. ...
DOI:
10.1007/s10600-022-03587-z

50. A New Phytotoxic Sesquiterpene from Inula japonica

Author:
Yun-Yun Zhou; Chen-Zhong Jin; Ying-Qun Ma; Xue-Jiao Zhang; Xiu Liu; Shun-Li Xiao
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 47-49
ISSN:
0009-3130
Subject:
Inula britannica; chemical structure; lettuce; phytotoxicity; sesquiterpenoids
Abstract:
... A new eudesmane sesquiterpene, 12-acetoxy-1β,2α-dihydroxyeudesma-4(15),11(13)-diene (1), was isolated from Inula japonica. The chemical structure of compound 1 was elucidated by advanced spectroscopy techniques, such as ¹H, ¹³C NMR, HMBC, HSQC, COSY, and NOESY. The compound 1 presented phytotoxic effect on the growth of lettuce at 250 ppm. ...
DOI:
10.1007/s10600-022-03594-0