Ent-kaurene and ent-beyerene diterpenoids and other constituents of Thecacoris batesii

Autor:	Berhanu M. Abegaz, Bonaventure T. Ngadjui, Alphonsine N. Guedem, Herve Martial Poumale Poumale, Merhatibeb Bezabih
Rok vydání:	2007
Předmět:	Thecacoris chemistry.chemical_compound chemistry biology Stereochemistry Diol General Chemistry biology.organism_classification Two-dimensional nuclear magnetic resonance spectroscopy
Zdroj:	Bulletin of the Chemical Society of Ethiopia. 21
ISSN:	1011-3924
DOI:	10.4314/bcse.v21i1.61377
Popis:	Two novel diterpenoids, thecacorins A ( 1 ) and B ( 2 ), were isolated from Thecacoris batesii and their structures were established as ent -3 b ,20-epoxy-16-kaurene-3 a ,12 b -diol and ent -15-beyerene-2 b ,3 b -diol, respectively, on the basis of extensive spectroscopic analysis, especially, 1D NMR spectra, in conjunction with 2D experiments, COSY, NOESY, HMQC and HMBC. KEY WORDS: D iterpenoids, Thecacorin A, Thecacorin B, Ent -3 b ,20-epoxy-16-kaurene-3 a ,12 b -diol, Ent -15-beyerene-2 b ,3 b -diol, Thecacoris batesii Bull. Chem. Soc. Ethiop. 2007 , 21(1), 89-94.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::63f75b7b6ab88d028516649529d50de4 https://doi.org/10.4314/bcse.v21i1.61377 Zobrazit plný text záznamu