发明名称 |
A METHOD FOR PREPARATION OF ANHYDROSUGAR ALCOHOLS |
摘要 |
A method is provided for the preparation of anhydrosugar alcohols. The method involves dehydration of a hexitol with a mixed acid of a first acid and second acid, in which the first acid is sulfuric acid and the second acid is at least one sulfur-containing acid or sulfur-containing acid salt selected from the group consisting of p-toluenesulfonic acid, methanesulfonic acid, ethanesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid and aluminum sulfate. Also provided are methods for purification of the resulting product. |
申请公布号 |
EP2714696(B1) |
申请公布日期 |
2017.03.01 |
申请号 |
EP20110866707 |
申请日期 |
2011.06.02 |
申请人 |
Samyang Corporation |
发明人 |
RYU, Hoon;JUNG, Young Jae;KIM, Young Seok |
分类号 |
C07D493/04;C07B35/04;C07B63/00;C08G63/58 |
主分类号 |
C07D493/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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