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Boron-substituted difluorocyclopropanes: new building blocks of gem-difluorocyclopropanes.
Fujioka, Yasutaka; Amii, Hideki.
Afiliação
  • Fujioka Y; Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan.
Org Lett ; 10(5): 769-72, 2008 Mar 06.
Article em En | MEDLINE | ID: mdl-18225908
ABSTRACT
Cycloaddition of difluorocarbene to alkenyl boronates 3 gave boron-substituted gem-difluorocyclopropanes 2 in stereospecific fashion. Upon treatment with lithium carbenoids, cyclopropyl boronates 2 underwent one-carbon homologation to afford a variety of gem-difluorocyclopropanes in good yields.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Compostos de Boro / Ciclopropanos / Hidrocarbonetos Fluorados Idioma: En Ano de publicação: 2008 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Compostos de Boro / Ciclopropanos / Hidrocarbonetos Fluorados Idioma: En Ano de publicação: 2008 Tipo de documento: Article