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Semisynthetic roxburghin tetra-methyl ether.

ABSTRACT: The title mol-ecule, (E)-2,3',4,5-tetra-methoxy-stilbene, C(18)H(20)O(4), is virtually planar. The angle between the two benzene rings is 4.06?(6)°. The inter-molecular inter-actions present in the structure are weak. There are C-H?O hydrogen bonds and C-H??-electron ring inter-actions. The mol-ecules are ordered into planes that are parallel to (01). The distance between adjacent planes is about 3.3?Å and therefore ?-? electron inter-actions between the aromatic planes are also plausible.

SUBMITTER: Saez A

PROVIDER: S-EPMC2961722 | biostudies-literature | 2008 Jun

REPOSITORIES: biostudies-literature

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Semisynthetic roxburghin tetra-methyl ether.

Saez Alex A Ramirez de Arellano Carmen C El Aouad Noureddine N Rodriguez Silvia S Otalvaro Felipe F Cortes Diego D Saez Jairo J

Acta crystallographica. Section E, Structure reports online 20080619 Pt 7

The title mol-ecule, (E)-2,3',4,5-tetra-methoxy-stilbene, C(18)H(20)O(4), is virtually planar. The angle between the two benzene rings is 4.06 (6)°. The inter-molecular inter-actions present in the structure are weak. There are C-H⋯O hydrogen bonds and C-H⋯π-electron ring inter-actions. The mol-ecules are ordered into planes that are parallel to (01). The distance between adjacent planes is about 3.3 Å and therefore π-π electron inter-actions between the aromatic planes are also plausible. ...[more]

PMID: 21202934

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