[Open access]

[Contents scheme]

Acta Cryst. (2013). E69, o659
[ doi:10.1107/S1600536813008623 ]

2,3-Dimethoxy-10-oxostrychnidinium hydrogen oxalate dihydrate

P. Krishnan, K. Gayathri, N. Sivakumar, G. Chakkaravarthi and G. Anbalagan

Abstract: In the cation of the title salt, C23H27N2O4+·C2HO4-·2H2O, both fused pyrrolidine rings exhibit twisted conformations, while the piperidine rings adopt screw-boat and boat conformations. In the crystal, the three components are linked via O-H...O and N-H...O interactions, forming a tape along the b axis. The tapes are further linked by weak C-H...O hydrogen bonds. forming a three-dimensional network.


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