The 3-cyano-2-methoxylpyridine and 2-amino-3-cyano-4H-pyran derivatives were synthesized by one-step reaction of 2,6-bisarylidenecyclohexanone with malononitrile in sodium hydroxide/methanol or piperidine/ethanol under microwave irradiation with good yields.
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Jian‐Feng Zhou (2003) studied this question.
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