Triton B Catalyzed Three-Component, One-Pot Synthesis of 2-Amino-2-chromenes at Ambient Temperature

[摘要]：A one-pot, three-component synthesis of 2-amino-2-chromenes is described at ambient temperature by the reaction of an aldehyde and malononitrile or ethyl cyanoacetate with alpha-naphthol or beta-naphthol in ethanol in presence of a catalytic amount of Triton B.

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