Triethylammonium acetate (TEAA): a recyclable inexpensive ionic liquid promotes the chemoselective aza- and thia-Michael reactions
作者:Akhilesh K. Verma、Pankaj Attri、Varun Chopra、Rakesh K. Tiwari、Ramesh Chandra
DOI:10.1007/s00706-008-0886-4
日期:2008.9
A new, highly efficient, inexpensive, recyclable, mild, convenient, and green protocol for chemoselective aza/thia- Michael addition reactions of amines/thiols to α,β - unsaturated compounds using triethylammonium acetate ( TEAA ) ionic liquid was developed. The catalyst can be recycled ten times and obviate the need for toxic and expensive catalysts.
用于化学选择性氮杂/硫杂一种新的,高效率的,廉价的,可回收,轻度,方便,和绿色协议 迈克尔 的胺/硫醇到α,β加成反应 - 使用三乙基乙酸铵(不饱和化合物 TEAA )离子液体被开发。该催化剂可以循环使用十次,从而消除了对有毒和昂贵催化剂的需求。