Improved synthesis of anhydroglycitol esters of improved colour

D.S. van Es (Inventor), A.E. Frissen (Inventor), H. Luitjes (Inventor)

    Research output: PatentOther research output


    Diesters of dianhydroglycitols can be prepared by esterification of dianhydroglycitols, anhydroglycitols and/or glycitols with alkylcarboxylic or arylcarboxylic acids in the presence of an acid catalyst, the acid catalyst being a macroporous acid ion exchange resin. If glycitols or monoanhydroglycitols are used as the starting material, the reaction temperature is initially of the order of 120 DEG C. and after the dehydration is approximately 140 DEG C.
    Original languageEnglish
    Patent numberWO0183488
    Priority date4/05/00
    Publication statusPublished - 8 Nov 2001

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