Quassinoids from Picrasma crenata.
From woods of Picrasma crenata, a new stereoisomer dihydronorneoquassin was obtained together with others well knowns dihydronorneoquassin, parain, alpha-neoquassin, beta-neoquassin and quassin. The structures were determined by spectroscopic data and chemical evidence.
Novello
Claudio R
CR
Universidade Estadual de Maringá, Departamento de Farmácia e Farmacologia, Av. Colombo n 5790, POB 331, Zip Code 87020-900, Maringá, PR, Brazil.
Ferreira
Antonio G
AG
Marques
Luis C
LC
Cortez
Diógenes A G
DA
D032270:Picrasma / Q000737:chemistry*; D036702:Quassins / Q000737:chemistry / Q000302:isolation & purification*; D013057:Spectrum Analysis
D036702:Quassins