Microwave-assisted synthesis of α-aminophosphine oxides by the Kabachnik-Fields reaction applying amides as the starting materials
作者:Anna Tripolszky、Lili Zoboki、Erika Bálint、János Kóti、György Keglevich
DOI:10.1080/00397911.2019.1584675
日期:2019.4.18
Abstract A series of acylated α-aminophosphine oxides were synthesized by the microwave-assisted Kabachnik-Fields reaction of a series of carboxylic acid amides, formaldehyde and secondary phosphine oxides. To compensate the lower reactivity of the -NH2 reagents, they had to be used in an excess. The solvolytic condensations furnished the α-aminophosphine oxides in yields of 58-93% after purification
摘要 通过一系列羧酸酰胺、甲醛和仲氧化膦的微波辅助Kabachnik-Fields反应合成了一系列酰化α-氨基氧化膦。为了补偿 -NH2 试剂较低的反应性,必须过量使用它们。在通过色谱法纯化后,溶剂分解缩合以58-93%的产率提供α-氨基氧化膦。图形概要