Реферат: Reduced derivatives of 2,3-seco-28-oxo-19 beta,28-epoxy-18 alpha-olean-2,3-dicarboxylic acid and its cyclic anhydride were prepared. Reduction of the starting 2,3-secodicarboxylic acid by NaBH(4)-I(2) produced the 2,3-seco-2,3-dihydroxy derivative. Reaction of the starting anhydride with LiAlH(4) gave the 2,3-seco-2,3,19 beta,28-tetrahydroxy derivative. Cyclization using acidic reagents of the 2,3-seco-2,3-hydroxy- and 2,3-seco-2,3,19 beta,28-tetrahydroxy derivatives gave the corresponding cyclic ethers containing an oxepane ring. The anhydride ring was reduced by NaBH(4) to the corresponding epsilon-lactone, the structure of which was confirmed by an x-ray crystal structure.

Библиографическая ссылка: Shernyukov A.V. , Mainagashev I.Y. , Korchagina D.V. , Gatilov Y.V. , Salakhutdinov N.F. , Tolstikov G.A.
REDUCTION OF 2,3-Seco-28-OXO-19 beta,28-EPOXY-18 alpha-OLEAN-2,3-DICARBOXYLIC ACID AND ITS CYCLIC ANHYDRIDE
Chemistry of Natural Compounds. 2011. V.47. N2. P.237-242. DOI: 10.1007/s10600-011-9891-7 WOS Scopus РИНЦ OpenAlex

Даты:

Опубликована в печати:	1 мая 2011 г.
Опубликована online:	7 июн. 2011 г.

Идентификаторы БД:

Web of science:	WOS:000292637100020
Scopus:	2-s2.0-79959772781
РИНЦ:	16996085
OpenAlex:	W2014987178

Цитирование в БД:

БД	Цитирований
Web of science	4
Scopus	5
РИНЦ	4
OpenAlex	6

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