Isolated from the root bark of Conopharyngia johnstonii Stapf., this alkaloid
crystallizes in colourless needles from Me2CO and has [α]22D + 588° (c 1.99,
CHCI3). The structure has been determined by comparison with the preceding
base.
References
Pinar et al., Helv. Chim. Acta, 55,2972 (1972)
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