申请人:American Cyanamid Company
公开号:US04415501A1
公开(公告)日:1983-11-15
Alkenylzirconium reagents of the general structural formula IX, ##STR1## are useful in the syntheses of prostaglandin analogs. In the preceding structural formula J is bromo or chloro, R.sub.1 is hydrogen, methyl, ethyl, vinyl, 1-propenyl, or cyclopropyl, R.sub.4 is alkyl of 2-7 carbon atoms, and R.sub.3 is a protecting group such as tetrahydropyranyl, 1-ethoxyethyl, or C.sub.1 -C.sub.4 -trialkylsilyl.
通式IX的烯丙基锆试剂,##STR1## 在合成前列腺素类似物中有用。在上述结构式中,J为溴或氯,R.sub.1为氢、甲基、乙基、乙烯基、1-丙烯基或环丙基,R.sub.4为2-7碳原子的烷基,R.sub.3为保护基,例如四氢吡喃基、1-乙氧基乙基或C.sub.1-C.sub.4-三烷基硅基。