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The S atom of the sulfonyl group in the title compound, C21H19NO6S, has a distorted tetrahedral geometry. The amino groups and sulfonyl groups are connected by intermolecular N—H...O hydrogen bonds. The furan ring is disordered in one of the two independent mol­ecules in the asymmetric unit.

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The title compound, C23H21NO4, was synthesized by the reaction of 1-naphthol with ethyl cyano­caetate and 4-methoxy­benzaldehyde in ethanol under microwave irradiation. In the structure of C23H21NO4, there are intra­molecular and intermolecular N–H...O hydrogen bonds, also C–H...π interactions.
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