Stereoselective Mannich-type reaction catalyzed by tartaric acid-derived chiral phosphoric acid bearing two hydroxyl groups
Several new chiral phosphoric acids bearing two hydroxyl groups derived from L-tartaric acid were synthesized as potential catalysts for the asymmetric Mannich-type reaction.The results demonstrated that this type of catalysts could effectively catalyze the reaction with moderate-to-good enantioselectivity(up to 91%ee).
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维普
