Aza-claisen rearrangement of amide enolates. Stereoselective synthesis of 2,3-disubstituted carboxamides
作者:Tetsuto Tsunoda、Osamu Sasaki、Shô Itô
DOI:10.1016/s0040-4039(00)94614-8
日期:1990.1
Aza-Claisen rearrangement of enolates of N-2-butenyl-N-butylpropanamides proceeded with high stereoselectivity (up to 99.5:0.5) to yield N-butyl-2,3-dimethyl-4-pentenamides (up to 94% yield).
N-2-丁烯基-N-丁基丙酰胺的烯醇化物的Aza-Claisen重排以高立体选择性(最高99.5:0.5)进行,得到N-丁基-2,3-二甲基-4-戊烯酰胺(最高94%的收率)。