Acta Cryst. (2007). E63, o1645-o1647  [ doi:10.1107/S1600536807007131 ]

Lappaconitine

Y.-P. Wang, W.-X. Sun, J. Zhang, H.-S. Liu and H.-H. Wen

Abstract: In the crystal structure of lappaconitine [systematic name: (1S,4S,5S,7S,8S,9S,10S,11S,13R,14S,16S,17R)-20-ethyl-4,8,9-trihydroxy-1,14,16-trimethoxyacontin-4-yl 2-(acetylamino)benzoate], C₃₂H₄₄N₂O₈, the rings adopt chair, boat and envelope conformations. The absolute configuration of the title compound was assigned by reference to the reported hydrobromide salt.

Online 9 March 2007

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