Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs

© 2020 Phytochemical Society of Europe Phytochemical investigation of the ethanolic extract of Anneslea fragrans twigs resulted the isolation of two new highly-oxygenated and sterically hindered spiro-biflavanoids, named fragranols B and C (1 and 2), together with a known compound 3-epilarixinol (3)...

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Main Authors: Ashraf M. Omar, Sijia Sun, Min Jo Kim, Ahmed M. Tawila, Dya Fita Dibwe, Ampai Phrutivorapongkul, Naoki Toyooka, Suresh Awale
Format: Journal
Published: 2020
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http://cmuir.cmu.ac.th/jspui/handle/6653943832/69930
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Institution: Chiang Mai University
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spelling th-cmuir.6653943832-699302020-10-14T08:25:02Z Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs Ashraf M. Omar Sijia Sun Min Jo Kim Ahmed M. Tawila Dya Fita Dibwe Ampai Phrutivorapongkul Naoki Toyooka Suresh Awale Agricultural and Biological Sciences Biochemistry, Genetics and Molecular Biology © 2020 Phytochemical Society of Europe Phytochemical investigation of the ethanolic extract of Anneslea fragrans twigs resulted the isolation of two new highly-oxygenated and sterically hindered spiro-biflavanoids, named fragranols B and C (1 and 2), together with a known compound 3-epilarixinol (3). The structural elucidation was achieved by HRFABMS, NMR spectroscopic analysis, and quantum ECD calculations. A plausible biogenetic pathway of the isolated compounds is also proposed. 2020-10-14T08:22:15Z 2020-10-14T08:22:15Z 2020-12-01 Journal 18767486 18743900 2-s2.0-85091217928 10.1016/j.phytol.2020.09.005 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85091217928&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/69930
institution Chiang Mai University
building Chiang Mai University Library
continent Asia
country Thailand
Thailand
content_provider Chiang Mai University Library
collection CMU Intellectual Repository
topic Agricultural and Biological Sciences
Biochemistry, Genetics and Molecular Biology
spellingShingle Agricultural and Biological Sciences
Biochemistry, Genetics and Molecular Biology
Ashraf M. Omar
Sijia Sun
Min Jo Kim
Ahmed M. Tawila
Dya Fita Dibwe
Ampai Phrutivorapongkul
Naoki Toyooka
Suresh Awale
Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs
description © 2020 Phytochemical Society of Europe Phytochemical investigation of the ethanolic extract of Anneslea fragrans twigs resulted the isolation of two new highly-oxygenated and sterically hindered spiro-biflavanoids, named fragranols B and C (1 and 2), together with a known compound 3-epilarixinol (3). The structural elucidation was achieved by HRFABMS, NMR spectroscopic analysis, and quantum ECD calculations. A plausible biogenetic pathway of the isolated compounds is also proposed.
format Journal
author Ashraf M. Omar
Sijia Sun
Min Jo Kim
Ahmed M. Tawila
Dya Fita Dibwe
Ampai Phrutivorapongkul
Naoki Toyooka
Suresh Awale
author_facet Ashraf M. Omar
Sijia Sun
Min Jo Kim
Ahmed M. Tawila
Dya Fita Dibwe
Ampai Phrutivorapongkul
Naoki Toyooka
Suresh Awale
author_sort Ashraf M. Omar
title Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs
title_short Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs
title_full Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs
title_fullStr Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs
title_full_unstemmed Highly oxygenated spiro-biflavanoids from Anneslea fragrans twigs
title_sort highly oxygenated spiro-biflavanoids from anneslea fragrans twigs
publishDate 2020
url https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85091217928&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/69930
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