Journal of Chemical Ecology p. 847 - 859 (1999)
Update date:2022-08-10
Topics:
Afifi
Ross
Elsohly
Naeem
Halaweish
Cucurbitacin B, isocucurbitacin B, dihydrocucurbitacin B, cucurbitacin E, dihydrocucurbitacin E, isocucurbitacin D, dihydroisocucurbitacin D, cucurbitacin I, dihydrocucurbitacin I, cucurbitacin Q1, and dihydrocucurbitacin Q1 were identified for the first time as constituents of Cucumis prophetarum L., Cucurbitacin B, Cucurbitacin O, cucurbitacin P, cucurbitacin Q1, dihydrocucurbitacin Q1, isocucurbitacin E, and dihydroisocucurbitacin E also were identified as constituents of C. prophetatum Jusl. ssp. Dissectus. Isocucurbitacin E and dihydroisocucurbitacin E were isolated for the first time in nature. The chemical structures were determined with extensive spectroscopic analysis including 2D NMR, 1H NMR, 13C NMR, correlated spectroscopy (COSY), heteronuclear chemical shift correlation (HETCOR), attached proton test (AFT), and distortionless enhancement by polarization transfer (DEPT).
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