N-tosyl amidesdeprotectionphotoinduced electron transfer2-phenyl-NN '-dimethylbenzimidazolineC-C BONDSELECTRON-TRANSFERREDUCTIVE TRANSFORMATIONALPHABETA-EPOXY KETONESEFFICIENT CLEAVAGECARBONYL-COMPOUNDS13-DIMETHYL-2-PHENYLBENZIMIDAZOLINEDEPROTECTIONFRAGMENTATIONMECHANISM
2005