Preparation of alkanedioic derivatives

Details Preparation of alkanedioic derivatives Preparation of alkanedioic derivatives

C - Chemistry, Metallurgy

07

C

C07C 69/34 (2006.01) C07C 51/14 (2006.01) C07C 55/02 (2006.01) C07C 67/38 (2006.01)

Patent

CA 2099198

T 1850 A B S T R A C T PREPARATION OF ALKANEDIOIC DERIVATIVES The invention relates to a process for the preparation of alkanedioic derivatives, for example alkanedioic diesters, by reaction of an aliphatic conjugated diene such as butadiene with carbon monoxide and a hydroxyl group-containing compound such as a C1-6 alkanol in the presence of a catalyst system comprising a) a source of cationic palladium, b) a first bidentate diphosphine ligand having electron-withdrawing substituents on the phosphorus atoms, c) a second bidentate diphosphine ligand having electron-releasing substituents on the phosphorus atoms, and d) a source of an anion. VM/T1850FF

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