[EN] PROCESS FOR PRODUCING ISOHEXIDES<br/>[FR] PROCÉDÉ DE FABRICATION D'ISOHEXIDES
申请人:ARCHER DANIELS MIDLAND CO
公开号:WO2015112389A1
公开(公告)日:2015-07-30
A process is described for producing an isohexide wherein an hexitol or a combination of hexitols is continuously dehydrated in the presence of an acid catalyst under vacuum using a thin film evaporator.
Hexitol Anhydrides.<sup>1</sup> The Structures of the Anhydromannitols of Brigl and Grüner.<sup>2</sup> The Structure of Isomannide
作者:R. C. Hockett、H. G. Fletcher、Elizabeth L. Sheffield、R. Max Goepp、Sol Soltzberg
DOI:10.1021/ja01210a004
日期:1946.6
SYNTHESE DE MONOÉTHERS DE SUCRE À LONGUE CHAINE ALKYLE ET LEURS UTILISATIONS COMME AGENT TENSIOACTIF
申请人:TEREOS STARCH & SWEETENERS BELGIUM
公开号:EP3227308B1
公开(公告)日:2018-10-10
PHOSPHONIC ACID CATALYST IN DEHYDRATIVE CYCLIZATION OF 5 AND 6 CARBON POLYOLS WITH IMPROVED COLOR AND PRODUCT ACCOUNTABILITY
申请人:ARCHER DANIELS MIDLAND COMPANY
公开号:US20170015676A1
公开(公告)日:2017-01-19
A process for preparing materials derived from sugar alcohols such that the dehydration products exhibit better accountability and improved color to water-clear or near water-white appearance is described. In particular, the process involves employing a reducing Brønsted acid (e.g., phosphonic acid) for the catalysis of sugar alcohols to their corresponding dehydrated-cyclized products.