Manufacture of vicinal glycol esters from synthesis gas

Details Manufacture of vicinal glycol esters from synthesis gas Manufacture of vicinal glycol esters from synthesis gas

C - Chemistry, Metallurgy

07

C

260/494.3, 260/4

C07C 69/12 (2006.01) C07C 69/14 (2006.01)

Patent

CA 1156671

ABSTRACT The invention concerns a process for the formation of ester mixtures, comprising esters of monohydrlc and dlhydric alcohols by reactlng synthesis gas (CO + H2) and carboxylic acid, at a temperature of 100 to 350°C and a pressure of at least 34 atmospheres (500 psi) in the presence of 3 catalyst comprising ruthenlum or osmium. Optionally a co-catalyst selected from alkali metal salts, alkaline earth metal salts, quaternary ammonlum salts, iminium salts and quaternary aliphatic phosphonium salts is also employed. A typical reaction product comprises methyl acetate, ethyl acetate and ethylene glycol diacetate.

331035

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