C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 67/36 (2006.01) C07C 67/37 (2006.01) C07C 67/38 (2006.01) C07C 69/353 (2006.01) C07C 69/533 (2006.01)
Patent
CA 2281916
Process for the preparation of an alkyl pentenoate respectively an aryl pentenoate by contacting an alkoxy-butene respectively an aryloxy-butene compound with carbon monoxide in the presence of a catalyst system comprising palladium, a phosphorus ligand and an acid promotor, wherein the molar ratio of 3-alkoxy-1-butene to 1-alkoxy-2-butene, respectively the molar ratio of 3- aryloxy-1-butene to 1-aryloxy-2-butene, is higher than 4.
Ce procédé de préparation d'un penténoate d'alkyle, d'une part et d'un penténoate d'aryle, d'autre part, consiste à mettre en contact respectivement un alcoxy-butène et un aryloxy-butène avec du monoxyde de carbone, en présence d'un système de catalyseur comprenant du palladium, et en présence d'un coordinat de phosphore et d'un promoteur acide, le rapport molaire entre 3-alcoxy-1-butène et 1-alcoxy-2-butène, notamment entre 3-aryloxy-1-butène et 1-aryloxy-2-butène, étant supérieur à 4.
Burke Patrick Michael
Oevering Henk
Sielcken Otto Erik
Dsm N.v.
Fetherstonhaugh & Co.
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