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. 2003 Jul;59(Pt 7):o392-3.
doi: 10.1107/s010827010301117x. Epub 2003 Jun 20.

Rotenone alpha-oxime

Shi-Ping Yang  1 , Xi-Bin Yu, Ji-Guang Huang, Han-Hong Xu
Affiliations

Rotenone alpha-oxime

Shi-Ping Yang et al. Acta Crystallogr C. 2003 Jul.

Abstract

The structure determination of the title compound, rotenone alpha-oxime [systematic name: 1,2,12,12a-tetrahydro-8,9-dimethoxy-2-(1-methylethenyl)-[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(6H)-one oxime], C(23)H(23)NO(6), confirms that the molecule has an approximately V-shaped structure. One of the rings has a typical cyclohexene-like monoplanar conformation and the central ring adopts a 1,2-diplanar conformation.

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