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Acta Cryst. (2010). E66, o570  [ doi:10.1107/S1600536810003958 ]

(3R*,5'S*)-6,7-Dimethoxy-3-(4'-methoxy-6'-methyl-5',6',7',8'-tetrahydro-1,3-dioxolo[4,5-g]isoquinolin-5'-yl)isobenzofuran-1(3H)-one (racemic [alpha]-noscapine)

J. von von Langermann, H. Lorenz, O. Boehm, A. Flemming, A. Bernsdorf, M. Köckerling, D. Schinzer and A. Seidel-Morgenstern

Abstract: In the racemic title compound, C22H23NO7, the dihedral angle between the fused ring systems is 51.87 (6)°. Two of the methoxy groups are disordered over two orientations in 0.688 (5):0.312 (5) and 0.672 (15):0.328 (15) ratios. In the crystal, weak C-H...O interactions link the molecules.

Online 10 February 2010

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