Allylic Hydroxylation Through Acid Catalysed Epoxy Ring Opening of Betulinic Acid Derivatives.

Autor:	Pramanick, Swapan, Mandal, Suparna, Mukhopadhyay, Sibabrata, Jha, Sailen
Předmět:	HYDROXYLATION CHEMICAL reactions TRITERPENOID saponins EPOXY compounds CHEMISTRY
Zdroj:	Synthetic Communications; 2005, Vol. 35 Issue 16, p2143-2148, 6p, 2 Diagrams
Abstrakt:	Acid catalysed epoxy ring opening of several lupane type triterpenoids leads to unusual allylic hydroxylation. The reaction involves the formation of epoxide by m-chloroperbenzoic acid followed by the treatment of mineral acid. The simple methodology finds utility to introduce a hydroxyl function at the allylic position in these triterpenoids, which is otherwise quite difficult. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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