6,7-Didehydro-15,16-dimethoxy-22α-methylobscurinervan-21-one

Description

An imidozolidinocarbazole alkaloid, this base is found in Aspidosperma obscurinervium Azembuja and is best purified by recrystallization from a mixture of Me2CO and hexane. It is laevorotatory with [α] ²⁵ _D- 39° (c 0.62, CHCI 3). Two methoxyl groups, a methyl group and a lac one ring are present. Both nitrogen atoms are tertiary.

References

Brown, Djerassi., J. Amer. Chem. Soc., 86,2451 (1964)