Improved process for the synthesis of alkylpolyglucosides

Details Improved process for the synthesis of alkylpolyglucosides Improved process for the synthesis of alkylpolyglucosides

C - Chemistry, Metallurgy

07

H

C07H 15/04 (2006.01) C07H 3/04 (2006.01) C07H 3/06 (2006.01)

Patent

CA 2249753

1. Process for the synthesis of alkylpolyglucosides having general formula (I): H-(G)n-O-R- (I) said process comprising the reaction of an alcohol with a monosaccharide or an equivalent thereof, which can be an alkylglucoside or a compound capable of generating the monosaccharide "in situ", characterized in that said reaction is carried out in the presence of a catalyst consisting of a sterically hindered polyalkylarylsulfonic acid or a mixture of sterically hindered polyalkylarylsulfonic acids.

Divulgation d'un procédé de synthèse d'alkyl-polyglucosides ayant la formule générale (I) : H-(G)n-O-R- (I); le procédé consiste à faire réagir un alcool avec un monosaccharide ou un équivalent correspondant, qui peut être un alkyl-glucoside ou un composé capable de produire le monosaccharide « in situ »; il se caractérise par le fait que la réaction en question est effectuée en présence d'un catalyseur consistant en un acide polyalkylaryl-sulfonique stériquement encombré ou en un mélange d'acides polyalkylaryl-sulfoniques stériquement encombrés.

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