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