Patent ID: 8044233

Claim:
A process for preparing at least one vinyl carboxylate compound of formula I: wherein R 1 is n is 2, and R 2 is H, C 1 -C 8 -alkyl, phenyl-C 1 -C 4 -alkyl, phenyl, or C 3 -C 7 -cycloalkyl, the process comprising: reacting at least one starting compound selected from the group consisting of cyclohexane-1,2-dicarboxylic acid, cyclohexane-1,3-dicarboxylic acid, and cyclohexane-1,4-dicarboxylic acid, with a compound of formula III H—C≡C—R 2 (III) in the presence of at least one catalyst selected from the group consisting of a carbonyl complex of rhenium, an oxide of rhenium, a halide of rhenium, rhenium metal, a carbonyl complex of manganese, an oxide of manganese, a halide of manganese, a carbonyl complex of tungsten, an oxide of tungsten, a halide of tungsten, a carbonyl complex of molybdenum, an oxide of molybdenum, a halide of molybdenum, a carbonyl complex of chromium, an oxide of chromium, a halide of chromium, a carbonyl complex of iron, an oxide of iron, and a halide of iron, at a temperature of <300° C.