C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/30 (2006.01) C07C 209/60 (2006.01) C08F 8/32 (2006.01) C08F 297/00 (2006.01) C10L 1/22 (2006.01) C10L 1/238 (2006.01) C10L 1/24 (2006.01) C10M 133/54 (2006.01) C10M 135/20 (2006.01) C10M 149/02 (2006.01)
Patent
CA 2082225
T 1645 FF A B S T R A C T PROCESS FOR THE PREPARATION OF SECONDARY AMINES The invention provides a process for the preparation of a secondary amine which comprises reacting carbon monoxide, hydrogen, a selectively hydrogenated star-shaped polymer comprising a polyvinylaromatic nucleus and at least 4 polymeric arms linked to said nucleus wherein said polymeric arms are selected from the group consisting of: (i) hydrogenated homopolymers and hydrogenated copolymers of conjugated dienes; (ii) hydrogenated copolymers of conjugated dienes and monoalkenyl arenes; and (iii) mixtures thereof; and a primary amine derivative having a terminal -NH2 group and a terminal -NR1R2 group, wherein each of R1 and R2 independently represents a hydrogen atom or an alkyl group; in the presence of a suitable solvent and a catalyst system comprising a source of cationic rhodium; optionally a source of cationic ruthenium; an aromatic N-heterocyclic ligand and a source of an anion other than a halide; secondary amines obtainable by said process; and lubricating oil compositions, fuel compositions and additive concentrates containing said amines. PS26/T1645FF.DOC
Drent Eit
Van Asselen Otto L. J.
Van Zon Arie
Shell Canada Limited
Smart & Biggar
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