Acta Crystallographica Section E

Volume 67, Part 8 (August 2011)

organic compounds

 

Methyl 6-(4-chlorophenyl)-2,4-dimethyl-1,3-dioxo-1,2,3,4,6,6a,7,12b-octahydrochromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-6a-carboxylate

J. Kanchanadevi, G. Anbalagan, G. Sivakumar, M. Bakthadoss and V. Manivannan

Abstract: In the title compound, C₂₄H₂₁ClN₂O₆, the two fused six-membered pyran rings adopt half-chair conformations. The dihedral angle between the pyrimidine ring and the chlorophenyl ring is 51.55 (3)°. In the crystal, molecules are linked by pairs of weak intermolecular C-HO hydrogen bonds, forming inversion dimers. A C-H interaction is also observed.

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