Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Notes
New Sesquiterpenes from Ferula ferulaeoides (STEUD.) KOROVIN. VI. Isolation and Identification of Three New Dihydrofuro[2,3-b]chromones
Akito NagatsuKimio IsakaKeisuke KojimaPurev OndogniiOyun ZevgeegiinPurevsuren GombosurengyinKhishgee DavgiinBaig IrfanChoudhary Muhammad IqubalYukio Ogihara
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2002 Volume 50 Issue 5 Pages 675-677

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Abstract

Three novel 2-prenyl-dihydrofurochromone-type sesquiterpenoid derivatives, 2,3-dihydro-7-hydroxy-2S*,3R*-dimethyl-2-[4,8-dimethyl-3(E),7-nonadienyl]-furo[2,3-b]chromone, 2,3-dihydro-7-hydroxy-2S*,3R*-dimethyl-2-[4-methyl-5-(4-methyl-2-furyl)-3(E),7-pentenyl]-furo[2,3-b]chromone, and 2,3-dihydro-7-hydroxy-2R*,3R*-dimethyl-2-[4-methyl-5-(4-methyl-2-furyl)-3(E),7-pentenyl]-furo[2,3-b]chromone, were isolated from the roots of Ferula ferulaeoides. The structures were established by comprehensive spectral analysis. The biosynthetic pathway leading to these 2-prenyl-dihydrofurochromone-type sesquiterpenoids is proposed based on their structures.

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© 2002 The Pharmaceutical Society of Japan
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