abstract |
Preparation of 2,5,6-trihydroxy-3-hexenoic acid and 2,5- dihydroxy-3-pentenoic acid and esters thereof from C6 and C5 sugars in the presence of a Lewis Acid material, wherein the yield of the 2,5,6-trihydroxy-3-hexenoic acid or 2,5- dihydroxy-3-pentenoic acid or esters thereof exceeds 15 %. |