Efficient Syntheses of cis-6-Bromo- and cis-7-Bromo-2,2-dimethyl-3a,4,5,7a-tetrahydro-1,3-benzodioxole

Abstract

Regio- and stereo-controlled syntheses of the title compounds (1) and (2), starting from cyclohexane-1,3-dione (10) and cyclohexa-1,3-diene (17) respectively, are reported.