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Poncimarin, a New Coumarin from Poncirus trifoliata L.

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1975

Year

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.