New 6-oxa-2-silabicyclo[2.2.0]hexanes by photochemical conversion of acyl(allyl)(dimethyl)silanes.
Under UV irradiation in acetonitrile, acyl(allyl)silanes undergo an intramolecular (2+2) cycloaddition (Paternò-Büchi type reaction) to give unprecedented 1-alkyl-6-oxa-2-silabicyclo[2.2.0] hexanes.
Hammaecher
Catherine
C
Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire de Reims, CNRS UMR 6229, UFR Sciences Exactes et Naturelles, BP 1039, 51687, REIMS Cedex 2, France.
Portella
Charles
C