초록

Alkanes are converted to unsaturated carboxylic acids by contacting an alkane with an oxidizing agent and a heteropolyacid supported on wide pore polyoxometallate salts.

대표청구항 ▼

[ What is claimed is:] [1.] A process for the conversion of alkanes to unsaturated carboxylic acids which comprises contacting an alkane with an oxidizing agent and a supported heteropolyacid, wherein said support comprises an insoluble polyoxometallate salt having the formula: EQU C.sub.a H.sub.(e-

[ What is claimed is:] [1.] A process for the conversion of alkanes to unsaturated carboxylic acids which comprises contacting an alkane with an oxidizing agent and a supported heteropolyacid, wherein said support comprises an insoluble polyoxometallate salt having the formula: EQU C.sub.a H.sub.(e-az) (X.sub.k M.sub.m-x M'.sub.x M".sub.n O.sub.y).sup.-e re cation C is selected from the group consisting of potassium, rubidium, cesium, magnesium, calcium, strontium, barium, vanadium, chromium, lanthanum, manganese, iron, cobalt, ruthenium, copper, actinide metal, lanthanide metal, metal oxy ion, ammonium, tetraalkylammonium, pyridinium, quinolinium, protonated aromatic amines and protonated aliphatic amines, or combinations thereof; X is a Group IIIB, IVB, VB, VIB or transition metal; M is molybdenum or tungsten or combinations thereof; M' is vanadium; M" is independently zinc or a transition metal different from M and M', or combination thereof; z is the charge on said cation C; a is the number of cations C; e is the charge of anion (X.sub.k M.sub.m-x M'.sub.x M".sub.n O.sub.y); k is 1 to 5, m is 5 to 17, n is 0 to 3; y is 18 to 60; and when M is molybdenum, x is 0 to 3; and when M is tungsten x is 0 to 6.