Enantioselective synthesis of 3,3-disubstituted indolines via asymmetric intramolecular carbolithiation in the presence of (-)-sparteine.
[摘要]:N-Allyl-N-benzyl-2-bromoanilines underwent an asym. intramol. carbolithiation in the presence of tert-BuLi and (-)-sparteine yielding 3,3-disubstituted indolines.
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