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  • Title: FeCl3-promoted and ultrasound-assisted synthesis of resveratrol O-derived glycoside analogs.
    Author: Marzag H, Robert G, Dufies M, Bougrin K, Auberger P, Benhida R.
    Journal: Ultrason Sonochem; 2015 Jan; 22():15-21. PubMed ID: 24961448.
    Abstract:
    Phenol derived O-glycosides were synthesized using a direct and convenient O-glycosidation, starting from acetylated sugars in the presence of FeCl3, an inexpensive, mild and benign Lewis acid catalyst. The reactions were carried out under both conventional and ultrasonic irradiation conditions. In general, improvement in rates and yields were observed when reactions were carried out under sonication compared with conventional conditions leading to the corresponding β-O-glycosides as the major anomer. Post-synthetic transformations of iodophenol intermediates led to new resveratrol O-glycoside analogs in good overall yields.
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