Steroid derivatives of pregna-4,9(11),17(20)-trien-3-one,...

Details Steroid derivatives of pregna-4,9(11),17(20)-trien-3-one,... Steroid derivatives of pregna-4,9(11),17(20)-trien-3-one,...

C - Chemistry, Metallurgy

07

J

C07J 33/00 (2006.01) C07J 5/00 (2006.01) C07J 13/00 (2006.01) C07J 21/00 (2006.01)

Patent

CA 2069248

L'invention concerne les composés (I): Image où Hal est chlore ou brome, R est alkyle (1 - 6c), aralkyle (7 - 15 c) ou un reste silylé, K est un groupement Image (n = 2 ou 3) et les traits ondulés symbolisent l'existence possible de 2 isoméres, leur préparation, leur application a la préparation des composés (A): Image où R1 est un acyle (1-8 e) et des nouveaux intermédiaires.

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