Preparation of unstable 3-alkylidene furans by the palladium-catalyzed reaction of α-alkynyl epoxides with β-keto esters
作者:Ichiro Minami、Masami Yuhara、Jiro Tsuji
DOI:10.1016/s0040-4039(00)95798-8
日期:——
Palladium-catalyzed reaction of α-alkynyl epoxides with β-keto esters gives unstable 3-alkylidene-2,3-dihydrofuran-4-carboxylates. It can be carried out under mild neutral conditions, and offers a good preparative method for 3-alkylidene furans.
钯催化的α-炔基
环氧化物与β-
酮酸酯的反应生成了不稳定的3-亚烷基-
2,3-二氢呋喃-4-
羧酸酯。它可以在温和的中性条件下进行,为3-亚烷基
呋喃的制备提供了一种很好的方法。