Synthesis 1997; 1997(8): 813-854
DOI: 10.1055/s-1997-1295
review
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Intramolecular Reactions of Temporarily Silicon-Tethered Molecules

Louis Fensterbank1 , Max Malacria2 , Scott McN. Sieburth3
  • 1Université Pierre et Marie Curie, Laboratoire de Chimie Organique de Synthèse, associé au CNRS, Tour 44-54, 3229, 4 Place Jussieu, 75252 Paris Cedex, France, E-mail: fensterb@ccr.jussieu.fr
  • 2Université Pierre et Marie Curie, Laboratoire de Chimie Organique de Synthèse, associé au CNRS, Tour 44-54, 3229, 4 Place Jussieu, 75252 Paris Cedex, France, E-mail: malacria@ccr.jussieu.fr
  • 3Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794-3400, USA, E-mail: SSIEBURTH@notes.cc.sunysb.edu
Further Information

Publication History

Publication Date:
31 December 2000 (online)

The Temporary Silicon Connection transforms a potential intermolecular reaction into an intramolecular one, by transiently connecting both partners through a silicon linkage. In addition to entropic advantages, temporary connectivity forces regioselectivity and high stereoselectivity often results. Applications in radical cyclizations, cycloadditions, nucleophilic delivery, and hydrosilylation are discussed. Connection is also ensured by the coordination of an aldehyde to a Lewis acidic silicon and has served in aldol and allylation reactions.