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(E)-3,3,6,6-Tetra­methyl-9-(2-nitro­styr­yl)-3,4,5,6,7,9-hexa­hydro-1H-xanthene-1,8(2H)-dione

Authors
Journal
Acta Crystallographica Section E Structure Reports Online
1600-5368
Publisher
International Union of Crystallography
Publication Date
Volume
68
Issue
6
Identifiers
DOI: 10.1107/s1600536812023495
Keywords
  • Organic Papers

Abstract

In the title compound, C25H27NO5, each of the cyclo­hexenone rings adopts a half-chair conformation, whereas the six-membered pyran ring adopts a flattened boat conformation, with the O and methine C atoms deviating from the plane of the other four atoms. In the crystal, weak C—H⋯O hydrogen bonds link mol­ecules into chains parallel to the c axis.

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