期刊
TETRAHEDRON
卷 75, 期 31, 页码 4099-4103出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2019.05.050
关键词
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资金
- Japan Science and Technology Agency (JST) (ACT-C: Creation of Advance Catalytic Transformation for the Sustainable Manufacturing at Low Energy, Low Environmental Load)
The catalytic enantioselective difluoromethylation of arylidene Meldrum's acids with (difluoromethyl) zinc reagent, easily prepared through zinc/iodide exchange reaction of difluoroiodomethane and diethylzinc with co-solvent such as pyridines, by a chiral phosphoramidite-Cu catalyst is shown to provide highly enantioselective sp [3]-difluoromethyl Michael addition product in good yields and high levels of enantioselectivity. (C) 2019 Published by Elsevier Ltd.
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