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公开(公告)号:US5635614A
公开(公告)日:1997-06-03
申请号:US489138
申请日:1995-06-09
申请人: Amelie Ducret , Robert Lortie , Michael Trani
发明人: Amelie Ducret , Robert Lortie , Michael Trani
CPC分类号: C12P7/6436 , C07G3/00 , C12P19/02 , C12P7/64 , C12P7/6454 , Y10S435/921
摘要: The invention disclosed relates to a process for the preparation of sugar and sugar alcohol esters of general formula I(R--COO--).sub.n --R.sup.1 (I)wherein R is an alkyl group, R.sup.1 is derived from a sugar or a polyol moiety and n is 1 to 3, comprising reacting a sugar or a polyol with an acyl moiety, such as a carboxylic acid or ester, in a suitable solvent therefor and in the presence of an enzymatic catalyst capable of catalyzing the formation of ester bonds, and under reduced pressure sufficient to vaporize the solvent and by-product water, and continuously removing the water.
摘要翻译: 本发明涉及制备通式Ⅰ(R-COO-)n -R1(Ⅰ)的糖和糖醇酯的方法,其中R为烷基,R 1衍生自糖或多元醇部分, n为1至3,包括使糖或多元醇与酰基部分如羧酸或酯在合适的溶剂中和在能够催化形成酯键的催化剂存在下反应,以及在 足以蒸发溶剂和副产物水的减压,并连续除去水。