EFFICIENT SYNTHESIS OF N-SUBSTITUTED 4-ARYLQUINOLINE DERIVATIVES USING ZnCl2 or ZrO2

[摘要]：N-Substituted 7,8-dihydro-7,7-dimethyl-4-arylquinolin-5 (1H,4H,6H)-ones 4a-1 have been reported by one-pot reaction of cinnamaldehyde derivatives, dimedone and various amines in the presence of ZnCl2 or ZrO2 in fairly high yields.

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