1245-00-7C=C[C@H]1CN2CCc3c([nH]c4ccccc34)[C@@H]2C[C@@H]1[C@H](CO)C(=O)OCJGKCGXVOATXMRM-UHEFJODHSA-Nmethyl (2R)-2-[(2S,3R,12bS)-3-ethenyl-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-2-yl]-3-hydroxypropanoate has been reported in Rauvolfia afra, Alstonia angustifolia, and Strychnos pungens with data available.
説明One of the numerous alkaloids isolated from Vinca species, this base occurs in V. rosea L. and forms colourless crystals from MeOH. It is laevorotatory with[α]26D - 58° (MeOH) and when crystallized from Me2CO forms crystals containing solvent of crystallization, m.p. 181°C. The ultraviolet spectrum in MeOH has absorption maxima at 226, 282 and 290 mf.1. The alkaloid contains a primary alcoholic group and an imino group and yields the hemisulphate, m.p. 239- 241°C (dec.); the picrate, m.p. 226-8°C (dec.) and the O-acetate, m.p. 198°C;[α]26D- 26° (MeOH).
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1245-00-7