期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 142, 期 23, 页码 10244-10249出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.0c01563
关键词
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资金
- National Natural Science Foundation of China [21773052]
- Program for Changjiang Scholars and Innovative Research Team in Chinese University [IRT 1231]
- Program for Social Development of Hangzhou [20170533B10]
Introducing self-assembly strategies into the construction of catalysts has been proven to have great advantages in asymmetric catalysis. We constructed two chiral metalla-triangles by highly efficient coordination-driven self-assembly from a chiral 3,3'-dipyridyl-substituted BINOL donor. They were successfully applied in asymmetric conjugate addition of a series of alpha,beta-unsaturated ketones with trans-styrylboronic acids. The use of these metalla-triangles as supramolecular catalysts is obviously conducive to the enhancement of catalytic activity and stereoselectivity in the presented addition reactions. Under induction of the chiral metalla-triangles, an array of alpha,beta-enones were converted to chiral gamma,delta-unsaturated ketones in medium to quantitative yields (40-98%) with high enantioselectivities (87-96% ee).
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