C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
252/88, 260/605.
C07C 209/72 (2006.01) B01J 23/46 (2006.01) C07C 211/35 (2006.01)
Patent
CA 2013812
ABSTRACT This invention relates to an improved hydrogenation process wherein aromatic amines are hydrogenated to their ring hydrogenated counterparts using an improved rhodium catalyst and to the catalyst. The aromatic amines are represented by the formulas: I II Image Image wherein R is hydrogen or C1-6 aliphatic, R1 and R2 are hydrogen or C1-6 aliphatic. A is C1-4, NH or Image n is 0-2, x is 1-3 and y is 1 to 2 except the sum of the y groups in Formula I excluding A may be 1. The rhodium catalyst is supported on titania bonded to silica or zirconia or bonded with silica, zirconia or titania from a sol or zirconia bonded with silica or alumina. The resulting catalyst has greater activity and attrition resistance. Zirconia bonded with silica or alumina also results in a catalyst with increased attrition resistance.
Jenkins Richard J.
Treskot Robert A.
Vedage Gamini A.
White James F.
Air Products And Chemicals Inc.
Jenkins Richard J.
Mcfadden Fincham
Treskot Robert A.
Vedage Gamini A.
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