科研之友
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摘要
Chiral 1,2,3-triazolium salt-catalyzed asymmetric phase-transfer alkylation of a-cyanosulfones has been developed. This protocol is applicable to a variety of benzylic and allylic halides and cyanosulfones, affording chiral sulfones possessing tetrasubstituted carbons in excellent yields with good-to-high enantioselectivities.
- 出版日期2014-1-1
