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Abstract
The title compound, C23H20N2O6, crystallizes with two molecules in the asymmetric unit in which the dihedral angles between the mean planes of the pyran and phenyl rings are 66.6 (1) and 61.9 (1) °. The fused pyrone and pyran rings each adopts a sofa conformation. In the crystal, C—H⋯O hydrogen bonds link the molecules, forming a two-dimensional network parallel to [001].
Highlights
H atoms treated by a mixture of independent and constrained refinement max = 0.22 e Å3
The title compound, C23H20N2O6, crystallizes with two molecules in the asymmetric unit in which the dihedral angles between the mean planes of the pyran and phenyl rings are
H atoms treated by a mixture of independent and constrained refinement w = 1/[σ2(Fo2) + (0.0528P)2 + 1.2155P]
Summary
600 025, India, and cDepartment of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600 025, India
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