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Acta Cryst. (2009). E65, o1543-o1544 [ doi:10.1107/S1600536809021436 ]
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-Acetoxy-14![[alpha]](/logos/entities/alpha_rmgif.gif)
-benzoyloxy-N-ethyl-3,10,13,15-tetrahydroxy-1,6,16-trimethoxy-4-(methoxymethylene)aconitane: aconifine from Aconitum karakolicum RapaicsAbstract: The title compound, C34H47NO12, is the norditerpenoid alkaloid aconifine isolated from the leaves and tubers of Aconitum karakolicum Rapaics. It has a lycoctonine carbon skeleton and contains four six-membered rings and two five-membered rings; its geometry is similar to that observed in other lycoctonine-type diterpenoid alkaloids. There are two intramolecular O-H
O hydrogen bonds which close five- and seven-membered pseudo-rings, respectively. In the crystal, two intermolecular O-HO hydrogen bonds cross-link the molecules into double chains along the a axis.
Online 10 June 2009
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