2β,14β-Ethano-15,20-didehydro-15,20-dideethyl-2,7α-dihydro-11-methoxycorynan-14-acetic acid methyl ester

The roots and bark of Schizozygia caffaeoides (Boj.) Baili. also furnish this alkaloid which has the structure given above. It is 1aevorotatory with [α]²⁴_D - 64° (c 1.0, CHCI₃) and gives an ultraviolet spectrum consisting of two absorption maxima at 251 and 299 mil.

Renner, Kernweisz., Experientia, 19,244 (1963)
Structure:
Renner., Lloydia, 27,406 (1964)