C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/486.6
C07C 69/36 (2006.01) C07C 67/36 (2006.01)
Patent
CA 1091692
PREPARATION OF OXALATE ESTERS FROM CARBON MONOXIDE AND AN ALKOXYCYCLOALKENE ABSTRACT OF THE DISCLOSURE A process for the preparation of oxalate esters by the catalytic oxidative carbonylation of an alkoxy- cycloalkene with carbon monoxide, an alcohol and oxygen or an oxygen-containing gas in the presence of a metal salt catalyst and an amine base. In addition, a catalytic amount of particular metal oxidizing salts is employed along with a catalytic amount of an acid or an amine salt compound. Alternatively various counterions and ligands of the metal salt catalysts may be employed. 1.
284359
Atlantic Richfield Company
Osler Hoskin & Harcourt Llp
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