作者:Didier Fouqué、Elie About-Jaudet、Noël Collignon、Philippe Savignac
DOI:10.1080/00397919208021296
日期:1992.1
Abstract Diethyl 2,4-dioxoalkylphosphonates are prepared in excellent yields by Claisen condensation of the dianion of diethyl 2-oxoalkylphosphonates with ethyl esters or acyl chlorides in the presence of one equivalent of lithium diisopropylamide (LDA).
摘要 2,4-二氧代烷基膦酸二乙酯是通过2-氧代烷基膦酸二乙酯的双阴离子在1当量二异丙基氨基锂(LDA)存在下与乙酯或酰氯的克莱森缩合反应制备的。