Synlett 1991; 1991(1): 33-34
DOI: 10.1055/s-1991-20618
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

A Simple Preparation of 2-Silylated 3-Furoic Acids and 2-Silylated 3-Thiophenecarboxylic Acids

Giovanna Beese* , Brian A. Keay
  • *Department of Chemistry, University of Calgary, Calgary, Alberta T2N 1N4, Canada
Weitere Informationen

Publikationsverlauf

Publikationsdatum:
07. März 2002 (online)

A variety of 3-(silyloxycarbonyl)furans and -thiophenes undergo 1,4 O→C silyl migration to provide the corresponding 2-silylated 3-carboxy heterocycles in moderate to good yield when treated with a mixture of lithium diisopropylamide and hexamethylphosphoric triamide in tetrahydrofuran at -78° C.

    >