A dimethyldioxirane-mediated route to enantiomerically pure tricarbonylchromium(0) complexes of ortho-substituted styrenes
Abstract
Dimethyldioxirane oxidation of tricarbonylchromium(0) complexes of a range of ortho-substituted (S)-α-methylbenzyldimethylamines 3a–f proceeds smoothly to give enantiomerically pure tricarbonylchromium(0) complexes of ortho-substituted styrenes 4a–fvia chemoselective oxidation of the tertiary amines to their N-oxides and subsequent Cope reactions.