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A facile and one-pot synthesis of new tetrahydrobenzo[b]pyrans in water under microwave irradiation

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Eleven new tetrahydrobenzo[b]pyran derivatives were synthesized via a three component reaction of different aromatic aldehydes, methyl cyanoacetate and 1,3-cyclohexadione, with water as solvent under catalyst-free microwave irradiation. | A facile and one-pot synthesis of new tetrahydrobenzo b pyrans in water under microwave irradiation