2011
DOI: 10.1016/j.carres.2010.11.027
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Microwave-assisted efficient synthesis of aryl ketone β-C-glycosides from unprotected aldoses

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Cited by 32 publications
(24 citation statements)
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“…With the aim of preparing a number of carbohydrate heterocyclic derivatives of potential synthetic and pharmacological interest, Alves and co-workers [22] obtained a series of novel N-1, N-2, and S-5 saccharide-substituted tetrazoles (34) and (35), linked at anomeric and remaining positions, by the reaction of glucopyranosyl bromide (31) or methyl glucopyranoside (32) with commercial tetrazoles (33), by considering MWI and CH modes. Comparison of the isolated yields afforded by the two heating modes showed that the first one was improved and required a shorter reaction time (scheme 21.10).…”
Section: O-and N-glycosylationmentioning
confidence: 99%
See 1 more Smart Citation
“…With the aim of preparing a number of carbohydrate heterocyclic derivatives of potential synthetic and pharmacological interest, Alves and co-workers [22] obtained a series of novel N-1, N-2, and S-5 saccharide-substituted tetrazoles (34) and (35), linked at anomeric and remaining positions, by the reaction of glucopyranosyl bromide (31) or methyl glucopyranoside (32) with commercial tetrazoles (33), by considering MWI and CH modes. Comparison of the isolated yields afforded by the two heating modes showed that the first one was improved and required a shorter reaction time (scheme 21.10).…”
Section: O-and N-glycosylationmentioning
confidence: 99%
“…Fang and co-workers [31] described a detailed optimization procedure for the MW-assisted synthesis of aryl ketone β-C-glucosides (52) and investigated the scope of this methodology for the preparation of several C-glycoside derivatives. Their one-step protocol directly involved MW-assisted Knoevenagel condensation between unprotected aldoses and diacylmethane (51) catalyzed by NaHCO 3 [scheme 21.13; example referring to glucose (50)].…”
Section: F-and C-glycosylationmentioning
confidence: 99%
“…By application of this method an access to different mixtures of furanoid-and pyranoid-structures of α-and β-configured C-glycosides [46,47] were obtained. The ratio of the products depends on the conditions of execution for this reaction and the carbohydrates deployed (Eq.…”
mentioning
confidence: 99%
“…Este método fornece uma alternativa atrativa para os meios existentes para a preparação de aril cetonas β-C-glicosídeos de alto valor (FENG et al, 2011).…”
Section: Condensações De Knoevenagelunclassified