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Deltaline from Delphinium delavayi Franch

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Author(s): Xiong-Qing Wang | Qin Song | Xiao-Qiang Guo | Jun Yan

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 67;
Issue: 2;
Start page: o439;
Date: 2011;
Original page

ABSTRACT
The title compound [systematic name: 6β,10-dihydroxy-1α,14α,16β-trimethoxy-4-methyl-7β,8-(methylenedioxy)-20-ethylaconitan-6-yl acetate], C27H41NO8, is a C19-diterpenoid alkaloid and a major diterpenoid alkaloid component of the roots of Delphinium delavayi Franch. var. pogonanthum (Hand.-Mazz.) W. T. Wang. The molecule has a lycoctonine carbon-atom skeleton with four six-membered rings and three five-membered rings among; three of the six-membered rings adopt chair conformations with the fourth adopting a boat conformation while all of the five-membered rings exhibit envelope conformations. Intermolecular O—H...O hydrogen bonding is present in the crystal structure.
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