申请人:American Cyanamid Company
公开号:US04958037A1
公开(公告)日:1990-09-18
Novel precursors for the synthesis of methyl-9-oxo-11.alpha.,16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates having the formulae ##STR1## wherein R.sub.1 is H or C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl, R.sub.3 is H, C.sub.1 -C.sub.4 trialkylsilyl or C.sub.1 -C.sub.6 alkyl; X.sub.1 is halogen, cyano, C.sub.1 -C.sub.4 alkoxycarbonyl, carboxy or tri (C.sub.1 -C.sub.4 alkoxy)methyl; n is 2-4 inclusive; and P.sub.1 is H or a blocking or protective group; congeners and racemic mixture of these compounds and processes of synthesizing them.
合成甲基-9-氧代-11α,16-二羟基-16-乙烯基-5-顺-13-反前列腺二烯酸酯的新型前体化合物,其化学式为##STR1## 其中,R1为H或C1-C4烷基;R2为C1-C4烷基,R3为H,C1-C4三烷基硅基或C1-C6烷基;X1为卤素,氰基,C1-C4烷氧羰基,羧基或三(C1-C4烷氧基)甲基;n为2-4,P1为H或一个阻断或保护基;这些化合物的同分异构体和混合物以及合成它们的过程。