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Facile synthesis of spiro thiazolidinone via cyclic ketones, amines and thioglycolic acid by MCM-41-Schiff base-CuSO4·5H2O
Mesoporous MCM-41-supported Schiff base and CuSO4·5H2O (MCM-41@Schiff base-CuSO4·5H2O) catalyzed one-pot three-component condensation of cyclic ketones, amines and thioglycolic acid in toluene. And a series of co...