Trifluoroacetimidoyl chlorides as a new trifluoromethyl building block for fluorinated nitrogen heterocycles
作者:Kenji Uneyama、Osamu Morimoto、Fumio Yamashita
DOI:10.1016/s0040-4039(01)80518-9
日期:1989.1
N-Substituted trifluoroacetimidoyl chlorides have been prepared and allowed to react with various carbon nucleophiles, fording trifluoromethyl ketimines.
已经制备了N-取代的三氟乙酰亚胺基氯,并使其与各种碳亲核试剂反应,从而形成了三氟甲基酮亚胺。
Stereoselective metal-free catalytic synthesis of chiral trifluoromethyl aryl and alkyl amines
The enantioselective organocatalytic reduction of trifluoromethyl aryl and alkyl ketoimines afforded the corresponding fluorinated amines with high chemical and stereochemical efficiency. The Lewis base catalyzed reaction with trichlorosilane led to chiral products with a trifluoromethyl group directly linked to the newly generated stereocenter typically in >90% yield and up to 98% e.e.
Catalytic Asymmetric Reduction of α-Trifluoromethylated Imines with Catecholborane by BINOL-Derived Boro-phosphates
作者:Hualing He、Xiaoxue Tang、Yang Cao、Jon C. Antilla
DOI:10.1021/acs.joc.0c03009
日期:2021.3.5
A catalytic enantioselective reduction of α-trifluoromethylated imines by a BINOL-derived boro-phosphate employing catecholborane as hydride source has been developed. This method provides an efficient route to prepare synthetically useful chiral α-trifluoromethylated amines in high yields and with excellent enantioselectivities (up to 98% yield and 96% ee) under mild conditions.