2,3-Didehydro-16-methoxy-20-oxoaspidospermidine-3-carboxylic acid methyl ester

Description

One of the alkaloids isolated from Vinca minor, this base is an amorphous powder. It is laevorotatory with [0:]1>0 - 414° ± 5° (c 0.03, EtOH). The base has been shown to be identical with Minoriceine. The stereochemistry of the molecule has been recently determined.

References

Plat et al., Bull. Soc. Chim. Fr., 2237 (1962)
Zachystalova, Strouf, Trojanek., Chem. Ind., 610 (1963)
Stereochemistry :
Dopke, Meisel., Tetrahedron Lett., 1287 (1971)