Synthesis of 30-Bromo- and 30-Azido-20-oxo-29-nor-3 beta,28-diacylbetulin Derivatives

Glushkov, VA; Schemyakina, DA; Zhukova, NK

Glushkov, VA (reprint author), Russian Acad Sci, Inst Tech Chem, Perm Fed Res Ctr, Ural Branch, Ul Akad Koroleva 3, Perm 614013, Russia.

RUSSIAN JOURNAL OF ORGANIC CHEMISTRY, 2019; 55 (11): 1735

Abstract

Ozonolysis of 3 beta, 28-diacyloxylup-20,29-enes gave 20-oxo-29-nor-3 beta,28-diacyloxylup-20,29-enes, which were brominated with molecular bromine in......

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