Enantioselective epoxidation of olefins by single-oxygen atom donors catalyzed by managanese-glycoconjugated porphyrins

Add time:08/03/2019    Source:sciencedirect.com

New chiral porphyrins bearing glycosyl substituents (glucose, maltose or lactose) at ortho or meta positions of the meso-phenyl groups have been synthesized. Their manganese complexes, associated with hydrogen monopersulfate, lithium hypochlorite, hydrogen peroxide, or iodosylbenzene, have been used as enantioselective catalysts for the epoxidation of 4-chlorostyrene and 1,2-dihydronaphthalene.

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