Organocatalyzed Phospha‐Michael Addition: A Highly Efficient Synthesis of Customized Bis(acyl)phosphane Oxide Photoinitiators
作者:Riccardo Conti、Anna Widera、Georgina Müller、Csilla Fekete、Debora Thöny、Frederik Eiler、Zoltán Benkő、Hansjörg Grützmacher
DOI:10.1002/chem.202202563
日期:2023.1.2
phospha-Michael addition of bis(mesitoyl)phosphine to a variety of activated C−C bonds was investigated. Simple amine bases were employed as catalysts, with tetramethylguanidine showing an outstanding performance and allowing the preparation of bis(acyl)phosphines under very mild conditions in excellent yields and short time. Oxidation of the bis(acyl)phosphines led to bis(acyl)phosphane oxides, a substance
研究了双 (mesitoyl) 膦对各种活化的 C-C 键的磷-迈克尔加成。使用简单的胺碱作为催化剂,四甲基胍表现出出色的性能,可以在非常温和的条件下以优异的收率和短时间制备双(酰基)膦。双(酰基)膦的氧化导致双(酰基)膦氧化物,属于最有效的光引发剂的物质类别。