Abstract
A new coumarinic derivative (Poncimarin; C19H22O5; m.p. 140 °C) was isolated from unripe fruits of Poncirus trifoliata L. which from spectroscopic evidences was formulated as 7-(2,3-epoxy-3-methyl butyloxy)-8-(2,3-epoxy-3-me-thyl butyl) coumarin.
Received: 1974-11-11
Published Online: 2014-6-2
Published in Print: 1975-6-1
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