Catalytic Enantioselective Amination of Enolsilanes Using C<sub>2</sub>-Symmetric Copper(II) Complexes as Chiral Lewis Acids
摘要：
[Cu(S,S)-t-Bu-box](OTf)2 (1) catalyzes the enantioselective amination of enolsilanes with azodicarboxylate derivatives. Isomerically pure enolsilanes of aryl ketones, acylpyrroles, and thioesters added to the azo-imide in greater than 95% ee. The use of an alcohol additive was critical to achieving catalyst turnover.
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DOI：
10.1021/ol990113r
被引量：
年份：
1999
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