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


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Ozonolysis of 3β,28-diacyloxylup-20,29-enes gave 20-oxo-29-nor-3β,28-diacyloxylup-20,29-enes, which were brominated with molecular bromine in AcOH to obtain a mixture of 30-bromo- and 30-dibromo derivatives. Ozonolysis of 30-bromo-3β,28-diacylbetulin produced 29-nor-30-bromoketones, whose reaction with sodium azide afforded 29-nor-30-azidoketones of the lupane series.

Sobre autores

V. Glushkov

Institute of Technical Chemistry, Perm Federal Research Center, Ural Branch

Autor responsável pela correspondência
Email: glusha55@gmail.com
Rússia, ul. Akademika Koroleva 3, Perm, 614013

D. Schemyakina

Institute of Technical Chemistry, Perm Federal Research Center, Ural Branch

Email: glusha55@gmail.com
Rússia, ul. Akademika Koroleva 3, Perm, 614013

N. Zhukova

Institute of Technical Chemistry, Perm Federal Research Center, Ural Branch

Email: glusha55@gmail.com
Rússia, ul. Akademika Koroleva 3, Perm, 614013

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