Process for producing 2-ethylhexyl-p-methoxycinnamate

Details Process for producing 2-ethylhexyl-p-methoxycinnamate Process for producing 2-ethylhexyl-p-methoxycinnamate

C - Chemistry, Metallurgy

07

C

C07C 67/347 (2006.01) C07C 51/367 (2006.01) C07C 69/734 (2006.01)

Patent

CA 2047679

2047679 9010617 PCTABS00002 A process for producing cinnamates comprising reacting an iodobenzene compound with an acrylate ester in the presence of trialkylamine and a catalyst comprising palladium on a support. In one embodiment, 2-ethylhexyl-p-methoxycinnamate is produced by the process comprising diazotizing p-anisidine to produce a diazotization product and reacting the diazotization product with an aqueous iodide solution to produce 4-iodoanisole, reacting the 4-iodoanisole product with 2-ethylhexylacrylate in the presence of trialkylamine and a catalyst comprising palladium on a support to produce 2-ethylhexyl-p-methoxycinnamate and a trialkylamine-hydroiodide salt and then recovering iodide and trialkylamine from the trialkylamine-hydroiodide salt by reacting the salt with an alkali hydroxide.

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