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    • 8. 发明申请
    • METHODS FOR DEHYDRATION OF SUGARS
    • 蔗糖脱水方法
    • WO2007089510A3
    • 2008-01-17
    • PCT/US2007001945
    • 2007-01-24
    • BATTELLE MEMORIAL INSTITUTEHOLLADAY JOHNATHAN EHU JIANLIZHANG XINJIEWANG YONG
    • HOLLADAY JOHNATHAN EHU JIANLIZHANG XINJIEWANG YONG
    • C07D493/04C07H1/00C07H3/10C08G63/672
    • C07D493/04
    • The invention includes a method of dehydration of a sugar using a dehydration catalyst and a co-catalyst within a reactor. A sugar is introduced and H 2 is flowed through the reactor at a pressure of less than or equal to about 300 psig to convert at least some of the sugar into an anhydrosugar product. The invention includes a process for producing isosorbide. A starting material comprising sorbitol is flowed into a reactor. H 2 is counter flowed through the reactor. The starting material is exposed to a catalyst in the presence of a co- catalyst which comprises at least one metal. The exposing is conducted at a hydrogen pressure of less than or equal to 300 psig within the reactor and the hydrogen removes at least some of any water present during the exposing and inhibits formation of colored byproducts.
    • 本发明包括使用反应器内的脱水催化剂和助催化剂使糖脱水的方法。 引入糖,并且H 2 O 2以小于或等于约300psig的压力流过反应器,以将至少一些糖转化为脱水糖产物。 本发明包括制备异山梨醇的方法。 将含有山梨醇的原料流入反应器。 H 2反向流过反应器。 在包含至少一种金属的助催化剂的存在下,将原料暴露于催化剂。 暴露在反应器内在小于或等于300psig的氢气压力下进行,并且氢去除暴露期间存在的任何水中的至少一些,并且抑制着色副产物的形成。