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9-(4-Hy-droxy-3-meth-oxy-phen-yl)-3,3,6,6-tetra-methyl-3,4,5,6-tetra-hydro-9H-xanthene-1,8(2H,7H)-dione.

ABSTRACT: In the title compound, C(24)H(28)O(5), the two cyclo-hexene rings adopt envelope conformations, and the planes through the coplanar atoms makes dihedral angles of 82.86?(6) and 77.90?(6)° with the benzene ring. The two cyclo-hexene rings make a dihedral angle of 5.33?(6)° between their least-squares planes. The pyran ring adopts a flattened boat conformation. In the crystal packing, mol-ecules are linked into two-dimensional networks parallel to the ab plane via O-H?O and C-H?O inter-actions.

SUBMITTER: Hasanudin N 

PROVIDER: S-EPMC3007007 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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9-(4-Hy-droxy-3-meth-oxy-phen-yl)-3,3,6,6-tetra-methyl-3,4,5,6-tetra-hydro-9H-xanthene-1,8(2H,7H)-dione.

Hasanudin Noorhafizah N   Abdul Rahim Aisyah Saad AS   Mohamed Nornisah N   Quah Ching Kheng CK   Fun Hoong-Kun HK  

Acta crystallographica. Section E, Structure reports online 20100605 Pt 7

In the title compound, C(24)H(28)O(5), the two cyclo-hexene rings adopt envelope conformations, and the planes through the coplanar atoms makes dihedral angles of 82.86 (6) and 77.90 (6)° with the benzene ring. The two cyclo-hexene rings make a dihedral angle of 5.33 (6)° between their least-squares planes. The pyran ring adopts a flattened boat conformation. In the crystal packing, mol-ecules are linked into two-dimensional networks parallel to the ab plane via O-H⋯O and C-H⋯O inter-actions. ...[more]

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