Organopalladium approaches to prostaglandins. 10. An efficient synthesis of prostaglandin E2 via vinylpalladation of 4-cyclopentene-1,3-diol
作者:Richard C. Larock、Fumihiko Kondo、Kris Narayanan、Leiv K. Sydnes、Min-Fu H. Hsu
DOI:10.1016/s0040-4039(00)76184-3
日期:1989.1
involving (1) preparation of ketol 4 via vinylpalladation of 4-cyclopentene-1,3-diol using either vinylmercurial 1 or vinylic iodide 5, and (2) subsequent regio- and stereoselective alkylation via sequential dianion generation, tin enolate formation, and organic halide addition.
前列腺素E 2通过有效的两步法合成,包括(1)使用乙烯基汞1或乙烯基碘5通过4-环戊烯-1,3-二醇的乙烯基钯制备酮醇4,以及(2)随后的区域和立体选择性烷基化通过连续的二价阴离子生成,烯醇锡的形成和有机卤化物的添加。