Sesquiterpenes from Cymbopogon proximus

doi:10.3390/80900670

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Molecules 2003, 8(9), 670-677; doi:10.3390/80900670

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Sesquiterpenes from Cymbopogon proximus

Hesham I. El-Askary * , Meselhy R. Meselhy and Ahmed M. Galal

Pharmacognosy Department, Faculty of Pharmacy, Cairo University, 11562, Cairo, Egypt

* Author to whom correspondence should be addressed.

Received: 20 March 2003; in revised form: 23 July 2003 / Accepted: 26 July 2003 / Published: 15 August 2003

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Abstract: In addition to four previously reported compounds: proximadiol (1), 5α-hydroxy-β-eudesmol (2), 1β-hydroxy-β-eudesmol (4) and 1β-hydroxy-α-eudesmol (5), two new sesquiterpenes, 5α-hydroperoxy-β-eudesmol (3) and 7α,11-dihydroxycadin-10(14)-ene (6) were isolated from the unsaponifiable fraction of the petroleum ether extract of Cymbopogon proximus STAPF. Isolation of compounds 2, 4 and 5 from the genus Cymbopogon is reported for the first time. The structure elucidation of these compounds was based primarily on 1D and 2D-NMR analyses.

Keywords: Cymbopogon proximus; Gramineae; proximadiol; sesquiterpenes; NMR; MS

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MDPI and ACS Style

El-Askary, H.I.; Meselhy, M.R.; Galal, A.M. Sesquiterpenes from Cymbopogon proximus. Molecules 2003, 8, 670-677.

AMA Style

El-Askary H.I., Meselhy M.R., Galal A.M. Sesquiterpenes from Cymbopogon proximus. Molecules. 2003; 8(9):670-677.

Chicago/Turabian Style

El-Askary, Hesham I.; Meselhy, Meselhy R.; Galal, Ahmed M. 2003. "Sesquiterpenes from Cymbopogon proximus." Molecules 8, no. 9: 670-677.

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