申请人:KABUSHIKIKAISHA UENO SEIYAKU OYO KENKYUJO
公开号:EP0643051A1
公开(公告)日:1995-03-15
The invention aims at providing a safe technique for remarkably improving the yield of an α,β-unsaturated ketone through introduction of an ω-chain into an aldehyde without being accompanied by the generation of hydrogen in the process for synthesizing a prostaglandin, in particular, one having at least one halogen atom in the 16- or 17-position. The invention process comprises conducting the reaction of an aldehyde with a 2-oxoalkylphosphonate in the presence of a base and a zinc compound.
本发明旨在提供一种安全的技术,在合成前列腺素,特别是在 16 位或 17 位至少有一个卤素原子的前列腺素的过程中,通过在醛中引入ω链而显著提高α,β-不饱和酮的产率,同时不伴有氢的生成。本发明的工艺包括在碱和锌化合物存在下进行醛与 2-氧代烷基膦酸盐的反应。