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  • Title: A novel norditerpenoid alkaloid from Aconitum macrorhynchum.
    Author: Yang LJ, Luo YP, Chen W, Zhao JF, Yang XD, Li L.
    Journal: J Asian Nat Prod Res; 2009 Aug; 11(8):728-31. PubMed ID: 20183315.
    Abstract:
    A novel norditerpenoid alkaloid, macrorhynine C (1), together with three known compounds, was isolated from Aconitum macrorhynchum. The structure of the new alkaloid was elucidated on the basis of spectral analyses as (1alpha,6alpha,16beta)-3-hydroxy-8-acetyloxy-13-hydroxy-1,6,16-trimethoxy-4-(methoxymethyl)-19-ene-aconitan-14-yl 4-methoxybenzoate (1). The novel compound was found to contain the rare C(19) = N azomethine group. Compounds 2-4 were obtained from this species for the first time.
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