Synlett 1999; 1999(S1): 843-846
DOI: 10.1055/s-1999-3086
account
© 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.

New Gem- and Vic-Disubstituent Effects on Cyclizations

Michael E. Jung*
  • *Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, USA; E-mail: jung@chem.ucla.edu
Weitere Informationen

Publikationsverlauf

Publikationsdatum:
31. Dezember 1999 (online)

Several new gem-disubstituent effects on cyclizations - e.g., the gem-dialkoxy, -dicarboalkoxy, and -dithioalkoxy effects, have been discovered. In addition we have also observed a new vicinal disubstituent effect. A novel ring size effect of ketals on radical cyclizations has been investigated.