(+)-5-Vinyl-1,4-dihydro-4-(9H-pyrido[3,4-b]indol-1-ylmethyl)-3-pyridinecarboxylic acid methyl ester

A further alkaloid of the carboline type obtained from Pauridiantha lyalli Brem.,this base crystallizes from Et2 0. It has [α]_D578 + 650° (c 1.0, CHCI3). The ultraviolet spectrum in MeOH has absorption maxima at 235, 284 and 347 nm.

Levesque et al., Compt. Rend., 278C, 959 (1974)