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7442450 
Journal Article 
KINETIC RESOLUTION OF BETA-STEREOGENIC O-ALKYL CARBAMATES BY (-)-SPARTEINE-ASSISTED DEPROTONATION - EXTERNAL VERSUS INTERNAL CHIRAL INDUCTION 
Haller, J; Hense, T; Hoppe, D 
1993 
1 
Synlett
ISSN: 0936-5214
EISSN: 1437-2096 
Georg Thieme Verlag 
1993 
10 
726-728 
English 
WOS:A1993MC14700003 
The chiral base s-butyllithium/(-)-sparteine recognizes the (ft)-enantiomer in a 2-phenylpropyl carbamate and the (5)-enantiomer in a l-(l,2,3,4-tetrahydronaphthyl)methyl carbamate. In addition with its high preference for the pro-5-proton, highly diastereoselective electrophilic substitutions in the o-position of R-phenylalkanols, combined with efficient kinetic resolution of the ra-cemate, are achieved. © 1993 Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. 
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