Ethyl 3-amino-1-phenyl-1H-benzo[f]chromene-2-carboxyl-ate.

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作者:Jiao Yuan-Hong, Zhang Qian, Meng Fa-Yan, Teng Lei, Yuan Jia, Ng Seik Weng
The pyranyl ring of the title compound, C(22)H(19)NO(3), adopts a flattened-boat conformation. The dihedral angle between naphthalene and phenyl rings is 78.3†(1)°The mol-ecule also features an intra-molecular N-H⋯O(carbon-yl) hydrogen bond. Adjacent mol-ecules are linked by an inter-molecular N-H⋯O(carbon-yl) hydrogen bond, forming a zigzag chain that runs along the c axis.

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