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Monoterpene glucosides from Origanum syriacum
M S Kamel1, M H Assaf, H A Hasanean
1Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt. mkamel@mailcity.com
Abstract:
From the aerial parts of Origanum syriacum, three new monoterpene glucosides thymoquinol 2,5-O-beta-diglucopyranoside (3), carvacrol 2-O-beta-glucopyranosyl-(1-->2)-beta-glucopyranoside (4) and p-menth-1-ene-3,4-diol 4-O-beta-glucopyranoside (5) together with two known monoterpene glucosides thymoquinol 2-O-beta-glucopyranoside (1), thymoquinol 5-O-beta-glucopyranoside (2) have been isolated. The structures of the isolated compounds were verified by means of MS and NMR spectral analyses.
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