Catalytic asymmetric Mannich-type reactions of α-cyano α-sulfonyl carbanions.
نویسندگان
چکیده
An efficient asymmetric Mannich-type reaction of α-cyano α-sulfonyl carbanions has been achieved by exploiting the structural modularity and anion-recognition ability of chiral 1,2,3-triazolium ions. This protocol has proven to be applicable to a variety of N-Boc imines and cyanosulfones, affording β-amino α-cyanosulfones in excellent yields with high stereoselectivities.
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ورودعنوان ژورنال:
- Chemical communications
دوره 48 64 شماره
صفحات -
تاریخ انتشار 2012