The methanolic extract of the leaves of Peltophorum vogelianum (Caesalpiniaceae) afforded a new phytoconstituent, 2-methoxy-4,5-dihydroxy-1(7,8-dihydroxyethylene)-8-beta-D-glucuropyranoside named as peltophorumyl-beta-D-glucuropyranoside (5), along with four known phytoconstituents,