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公开(公告)号:EP1341751B1
公开(公告)日:2007-03-21
申请号:EP01989923.6
申请日:2001-12-03
Applicant: INVISTA Technologies S.à.r.l.
Inventor: BUNEL, Emilio, E. , CLARK, David, A.
IPC: C07C255/19 , C07C53/00 , C07C51/02 , C07C253/30 , C07C67/36
CPC classification number: C07C253/30 , C07C51/14 , C07C67/38 , C07C55/14 , C07C69/44 , C07C255/19
Abstract: Disclosed in a process for making (1) a compound of the formula NC-CH2-CH2-CH2-CH2-CO2R', wherein R' is H or C1 to C12 alkyl, or (2) adipic acid or (3) dimethyl adipate, using as the substrate, 3-pentenenitrile, (2) 3-pentenoic acid or methyl 3-pentenoate, respectively, by contacting the substrate with carbon monoxide and a nucleophile in the presence of a Group VIII metal, a selected ligand, and an acid promoter. The nucleophile, which (a) an alcohol or water, or (b) water or (c) methanol, respectively, in the presence of a Group VIII metal, preferably palladium, a selected phosphine ligand, and an acid promoter.