Bi(NO3)3·5H2O: An efficient catalyst for one-pot synthesis of 3-((aryl)(diethylamino)methyl)-4-hydroxy-2H-chromen-2-ones and biscoumarin derivatives
作者： Samaneh Zahiri , Masoud Mokhtary
DOI: 10.1016/J.JTUSCI.2014.09.006
关键词:
摘要: Abstract An efficient one-pot synthesis of 3-((aryl)(diethylamino)methyl)-4-hydroxy-2H-chromen-2-one derivatives has been developed from diethyl amine, aromatic aldehyde and 4-hydroxy coumarin via Mannich type reaction in the presence Bi(NO 3 ) ·5H 2 O. Also, arylaldehyde, coumarin, guanidine or acetamide O lead to biscoumarin remained unchanged.
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