8β-Acetoxy-14α-benzoyloxy-<i>N</i>-ethyl-3α,10β,13β,15α-tetrahydroxy-1α,6α,16β-trimethoxy-4β-(methoxymethylene)aconitane: aconifine from<i>Aconitum karakolicum Rapaics</i>
B. TashkhodjaevS. Yunusov Institute of Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, M. Ulugbek Str. 77, Tashkent 100170, UzbekistanMukhlis N. SultankhodjaevS. Yunusov Institute of Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, M. Ulugbek Str. 77, Tashkent 100170, Uzbekistan
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Annotatsiya
The title compound, C(34)H(47)NO(12), 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 intra-molecular O-H⋯O hydrogen bonds which close five- and seven-membered pseudo-rings, respectively. In the crystal, two inter-molecular O-H⋯O hydrogen bonds cross-link the mol-ecules into double chains along the a axis.
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