The Catalytic Asymmetric Addition of Diethylzinc toN-(Diphenylphosphinoyl) Imines Catalyzed by Cu(OTf)2-ChiralN-(Binaphthyl-2-yl)thiophosphoramide Ligands
作者:Min Shi、Chun-Jiang Wang
DOI:10.1002/adsc.200303041
日期:2003.8
Chiral N-(binaphthyl-2-yl)thiophosphoramide L7 [O,O-diethyl 2′-(ethylamino)-1,1′-binaphthyl-2-ylamidothiophosphate] prepared from the reaction of diethyl chlorothiophosphate with (R)-(+)-N-ethyl-1,1′-binaphthyl-2,2′-diamine was used as a catalytic chiral ligand in the first Cu(OTf)2-promoted catalytic asymmetric addition of diethylzinc to N-(diphenylphosphinoyl) imines in which ~85% ee can be realized
手性ñ - (联萘-2-基)硫代磷酰胺L7 [ O,O-二乙基-2' - (乙基氨基)-1,1'-联萘-2- ylamidothiophosphate]从二氯代硫代磷酸酯与反应制备([R )- (+ )-N-乙基-1,1'-联萘-2,2'-二胺在第一个Cu(OTf)2促进的二乙基锌向N-(二苯基膦酰基)亚胺的催化不对称加成中用作催化手性配体可以实现〜85%ee。