Process to prepare androst-4-en-17-carboxylic acid

Details Process to prepare androst-4-en-17-carboxylic acid Process to prepare androst-4-en-17-carboxylic acid

C - Chemistry, Metallurgy

07

J

C07J 3/00 (2006.01) C07J 75/00 (2006.01) C07J 9/00 (2006.01)

Patent

CA 2383957

The process of the present invention transforms a steroidal ketone of formula (III) to androst-4-en-17.beta.-carboxylic acid (IV) by reaction with K2SO5.bullet.KHSO4.bullet.K2SO4.

Le procédé de l'invention consiste à transformer une cétone stéroïdienne possédant la formule (III) en acide androst-4-èn-17 .beta.-carboxylique (IV) en la faisant réagir avec K¿2?SO¿5?.bullet.KHSO¿4?.bullet.K¿2?SO¿4?.

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