title: Poncimarin, a new coumarin from Poncirus trifoliata L.
abstract: A new coumarinic derivative (Poncimarin; C19H22O5; m.p. 140 C degrees) was isolated from unripe fruits of Poncircus trifoliata L. which from spectroscopic evidences was formulated as 7-(2,3-epoxy-3-methyl butyloxy)-8-(2,3-epoxy-3-methyl butyl) coumarin.
mesh_terms: D003374:Coumarins / Q000302:isolation & purification*; D010946:Plants, Medicinal
chemical_list: D003374:Coumarins