Precursors and synthesis of methyl-9-oxo-11 alpha, 16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0213313A2
公开(公告)日:1987-03-11
Novel precursors for the synthesis of methyl-9-oxo-11α, 16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates having the formula
wherein R, is H or C1-C4 alkyl; R2 is C1-C4 alkyl, R3 is H, C1-C4 trialkylsilyl or C1-C6 alkyl; X1 is halogen, cyano, C1-C4 alkoxycarbonyl, carboxy ortri (C1-C4 alkoxy)methyl; n is 2-4 inclusive; and P1 is H or a blocking or protective group; congeners and racemic mixture of these compounds and processes of synthesizing them.
用于合成 9-氧代-11α,16-二羟基-16-乙烯基-5-顺-13-反式前二烯酸甲酯的新型前体,其式为
其中 R 是 H 或 C1-C4 烷基;R2 是 C1-C4 烷基;R3 是 H、C1-C4 三烷基硅基或 C1-C6 烷基;X1 是卤素、氰基、C1-C4 烷氧基羰基、羧基或三(C1-C4 烷氧基)甲基;n 是 2-4(包括 2-4);P1 是 H 或封端基团或保护基团;这些化合物的同系物和外消旋混合物以及合成这些化合物的工艺。