作者:Mizuki Yamazaki、Tomoyuki Yoshimura、Jun-ichi Matsuo
DOI:10.1016/j.tetlet.2020.151804
日期:2021.2
1,3-Cyclobutanediones (dialkyl ketene dimer) reacted with various aromatic aldehydes to give six-membered cyclic β-keto esters by using a catalytic amount of potassium ethoxide. Effects of alkoxide catalysts and spiro cyclic groups at the 2,4-positions of 1,3-cyclobutanediones were investigated.
1,3-
环戊二烯二酮(二烷基烯酮二聚体)通过催化量的
乙醇钾与各种芳族醛反应生成六元环状β-
酮酯。研究了1,3-环
丁二酮在2,4-位上的醇盐催化剂和螺环基团的影响。