New Coumarins from Murraya paniculata

Department of Chemistry, Dr. H. S. Gour University, Sagar-470 003

Manuscript received 15 December 1994, revised 18 April 1995, accepted 15 June 1995

An extract of the stem bark of Mrraya paniculata has yielded three new coumarins 8-(butenyl-3'-methyl)-7-O-β-D-galactopyranoside,
7 -methoxy-8-(2' -isovaleryloxy-3-butenyl-3-methyl)coumarin and marmesin-4'-ο-α-L-arabinopyranoside alongwith 3,5,6,7 ,8,3' ,4' ,5' -octamethoxyflavone, 7-methoxy-8-(3-butenyl-3-methyl-2-oxo)coumarin and 7-methoxy-8-(butenyl-3'-methyl)coumarin.