6-Methoxy-2-(2-methoxynaphthalen-1-yl)-4H-chromen-4-one
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In the title compound, C21H16O4, the methoxy-substituted naphthalene ring system (r.m.s. deviation = 0.007 Å) is almost orthogonal to the 4H-chromenone skeleton (r.m.s. deviation = 0.012 Å) with a dihedral angle of 83.16 (4)° between them. In the crystal, inversion dimers are linked by pairs of C—H...O hydrogen bonds that generate R 2 2(18) loops and additional C—H...O interactions connect the dimers into double chains of molecules along the b-axis direction.
2014 ◽
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2013 ◽
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