STEREOSELECTIVE SYNTHESIS OF BICYCLIC PYRROLIDINES AND PIPERIDINES VIA THE REDUCTIVE ALKYLATION OF AZIDES WITH ORGANYLDICHLOROBORANES - INTRAMOLECULAR NUCLEOPHILIC-SUBSTITUTION TANDEM SEQUENCE

被引:0
|
作者
JEGO, JM [1 ]
CARBONI, B [1 ]
YOUSSOFI, A [1 ]
VAULTIER, M [1 ]
机构
[1] UNIV RENNES 1,CNRS,URA 704,RECH PHYSICOCHIM STRUCT GRP,AVE GEN LECLERC,F-35042 RENNES,FRANCE
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中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Omega-halogenoalkyldichloroboranes are easily prepared in a stereocontrolled manner by hydroboration of omega-bromoalkylcycloalkenes or Diels-Alder reaction of (E)-alkenyldichloroboranes. Amination with benzylazide followed by an intramolecular nucleophilic substitution afforded the corresponding trans-pyrrolidines or piperidines.
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页码:595 / 597
页数:3
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