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[摘要]:Using Pd(CF3CO2)2/(S,S)-f-binaphane as the catalyst, an efficient enantioselective synthesis of cyclic sulfamidates, e.g., I, was developed via asym. hydrogenation of the corresponding cyclic imines in 2,2,2-trifluoroethanol at room temp. with high enantioselectivities (up to 99% ee). |
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