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Methyl 6-(4-chloro-phen-yl)-2,4-dimethyl-1,3-dioxo-1,2,3,4,6,6a,7,12b-octa-hydro-chromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-6a-carboxyl-ate.

ABSTRACT: In the title compound, C(24)H(21)ClN(2)O(6), the two fused six-membered pyran rings adopt half-chair conformations. The dihedral angle between the pyrimidine ring and the chloro-phenyl ring is 51.55?(3)°. In the crystal, mol-ecules are linked by pairs of weak inter-molecular C-H?O hydrogen bonds, forming inversion dimers. A C-H?? inter-action is also observed.

SUBMITTER: Kanchanadevi J

PROVIDER: S-EPMC3213446 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Methyl 6-(4-chloro-phen-yl)-2,4-dimethyl-1,3-dioxo-1,2,3,4,6,6a,7,12b-octa-hydro-chromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-6a-carboxyl-ate.

Kanchanadevi J J Anbalagan G G Sivakumar G G Bakthadoss M M Manivannan V V

Acta crystallographica. Section E, Structure reports online 20110709 Pt 8

In the title compound, C(24)H(21)ClN(2)O(6), the two fused six-membered pyran rings adopt half-chair conformations. The dihedral angle between the pyrimidine ring and the chloro-phenyl ring is 51.55 (3)°. In the crystal, mol-ecules are linked by pairs of weak inter-molecular C-H⋯O hydrogen bonds, forming inversion dimers. A C-H⋯π inter-action is also observed. ...[more]

PMID: 22091025

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