Abstract A compound selected from the group consisting of monosaccharides containing at least 4 carbon atoms, polyhydric alcohol derivatives of these monosaccharides, and polyhydric acid derivatives of these monosaccharides is oxidized by contacting an aqueous solution of the compound, in the presence of an alkaline material and a catalyst selected from the group consisting of copper glycinate, copper acetylacetonate, copper phthalocyanine disulfonate, copper phthalocyanine, copper glutamate, copper diethylene tetramine pentaacetate, cobalt glutamate, cobalt acetylacetonate, cobalt trisodium diethylene tetramine pentaacetate, and cobalt disodium ethylene diamine tetraacetate, with oxygen or an oxygen-containing gas.
A method, as claimed in claim 1, wherein the compound is a monosaccharide.
Claim 2
Dependent Claim
12 words
A method, as claimed in claim 2, wherein the monosaccharide is glucose.
Claim 3
Dependent Claim
33 words
A method, as claimed in claim 1, wherein the catalyst is selected from the group consisting of copper glycinate, copper acetylacetonate, copper phthalocyanine disulfonate, copper phthalocyanine, copper glutamate and copper diethylene tetramine pentaacetate.
Claim 4
Dependent Claim
13 words
A method, as claimed in claim 4, wherein the catalyst is copper glycinate.
Claim 5
Dependent Claim
31 words
A method, as claimed in claim 1, wherein the amount of catalyst is equal to from about 2% to about 7% by weight based on the weight of the compound employed.
Claim 6
Dependent Claim
31 words
A method, as claimed in claim 6, wherein the amount of catalyst is equal to from about 3% to about 6% by weight based on the weight of the compound employed.
Claim 7
Dependent Claim
13 words
A method, as claimed in claim 1, wherein an oxygen-containing gas is employed.
Claim 8
Dependent Claim
13 words
A method, as claimed in claim 8, wherein the oxygen-containing gas is air.