SURAMIN TYPE COMPOUNDS AND ANGIOSTATIC STEROIDS TO INHIBIT ANGIOGENESIS
申请人:THE UPJOHN COMPANY
公开号:EP0477195A1
公开(公告)日:1992-04-01
PROCESS TO PREPARE 11BETA, 17ALPHA, 21-TRIHYDROXY-6ALPHA-METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE
申请人:PHARMACIA & UPJOHN COMPANY
公开号:EP1399464A1
公开(公告)日:2004-03-24
PROCESS TO PREPARE 11$g(b),17$g(a),21-TRIHYDROXY-6$g(a)-METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE
申请人:PHARMACIA & UPJOHN COMPANY
公开号:EP1399463A1
公开(公告)日:2004-03-24
[EN] PROCESS TO PREPARE 11 beta ,17 alpha ,21-TRIHYDROXY-6 alpha -METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE<br/>[FR] PROCEDE DE PREPARATION DE 21-ACETATE DE 11 DOLLAR G(B),17 DOLLAR G(A),21-TRIHYDROXY-6 DOLLAR G(A)-METHYLPREGNA-1,4-DIENE-3,20-DIONE
申请人:UPJOHN CO
公开号:WO2002102826A1
公开(公告)日:2002-12-27
The present invention is a novel process for the transformation of 17α-hydroxy-6α-methylpregn-4-ene-3,20-dione 17-acetate (Formula (I)) to 11β,17α,21-trihydroxy-6α-methylpregna-1,4-diene-3,20-dione 21-acetate (Formula (VI))..
[EN] PROCESS TO PREPARE 11 beta , 17 alpha ,21-TRIHYDROXY-6 alpha -METHYLPREGNA-1,4-DIENE-3,20-DIONE 21-ACETATE<br/>[FR] PROCEDE DE PREPARATION DE 11 DOLLAR G(B), 17 DOLLAR G(A), 21-TRIHYDROXY-6 DOLLAR G(A)-METHYLPREGNA-1,4-DIENE,3,20-DIONE 21-ACETATE
申请人:UPJOHN CO
公开号:WO2002102827A1
公开(公告)日:2002-12-27
The present invention is a novel process for the transformation of 11β, 17α dihydroxy-6α-methylpregna-1,4-diene-3,20-dione 17-acetate (III), to 11β, 17α,21-trihydroxy-6α-methylpregna-1,4-diene-3,20-dione 21-acetate (VI).