Birch, Stewart, Kolasch & Birch, LLP
Method for preparation of anhydrosugar alcohols
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.
Samyang Genex Corporation
C C C
C07D C07B C08G
inventional inventional inventional
Young Jae Young Seok Hoon
Jung Kim Ryu