申请人:——
公开号:US20030105348A1
公开(公告)日:2003-06-05
Disclosed in a process for making (1) a compound of the formula NC—CH
2
—CH
2
—CH
2
—CH
2
—CO
2
R′, wherein R′ is H or C
1
to C
12
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.
公开了一种用于制造 (1) 式 NC-CH
2
-CH
2
-CH
2
-CH
2
-CO
2
R′,其中 R′是 H 或 C
1
至 C
12
烷基,或(2)己二酸或(3)己二酸二甲酯,分别以 3-戊烯腈、(2)3-戊烯酸或 3-戊烯酸甲酯为底物,在第八族金属、所选配体和酸促进剂存在下,使底物与一氧化碳和亲核剂接触。在第八族金属(最好是钯)、选定的膦配体和酸促进剂存在下,亲核物分别为(a)醇或水,或(b)水或(c)甲醇。