‘Michael-Michael-Wittig’ Reactions of (2,4-Dioxobutylidene)phosphoranes with 3-Formylchromones
作者:Peter Langer、Edith Holtz
DOI:10.1055/s-2003-37104
日期:——
4-(2′-Hydroxybenzoyl)salicylic esters and amides were prepared by domino ‘Michael-retro-Michael-Wittig’ reactions of (2,4-dioxobutylidene)triphenylphosphoranes with 3-formylchromones.
4-(2′-羟基苯甲酰基)水杨酸酯和酰胺是通过(2,4-二氧代丁烯)三苯基膦与3-甲酰基香豆素的多米诺“迈克尔-反迈克尔-威蒂格”反应制备的。