Article ID Journal Published Year Pages File Type
5218186 Tetrahedron 2013 8 Pages PDF
Abstract

Highly enantioenriched trans-2,3-disubstituted indolines have been prepared by Mitsunobu cyclodehydration of the amino alcohols obtained from (−)- or (+)-sparteine-mediated lithiation-substitution of ortho-alkyl substituted N-pivaloylanilines. Optimized cyclodehydration conditions are described, from which the combination of DEAD and PBu3 in CH3CN provides the best results.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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