AN EFFICIENT ONE-POT SYNTHESIS OF 1-AMINO-3-CYANO-4-ARYL-10-ETHOXYCARBONYLAZULENO[2,1-b]]PYRANS

[摘要]：An efficient and easy method for the one-pot three-component synthesis of 2-amino-3-cyano-4-aryl-10-ethoxycarbonylazuleno[2,1-b]pyran derivatives by the three-componenet condensation of ethyl 2-hydroxyazulene-1-carboxylate, aldehydes, and malononitrile in the presence of diazabicyclo[2.2.2]octane (DABCO) has been described.

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