Hydrogenation of aromatic amines using mixed metal oxide support

Details Hydrogenation of aromatic amines using mixed metal oxide support Hydrogenation of aromatic amines using mixed metal oxide support

1994-09-14

1996-08-13

Burn, Brian M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

564451, C09C20972

Patent

active

055457568

ABSTRACT:
This invention relates to an improved hydrogenation process wherein aromatic amines are hydrogenated to their ring hydrogenated counterparts using an improved rhodium catalyst. The aromatic amines are represented by the formulas: ##STR1## wherein R is hydrogen or C.sub.1-6 aliphatic, R.sub.1 and R.sub.2 are hydrogen or C.sub.1-6 aliphatic, A is C.sub.1-4 alkyl, n is 0 or 1, 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 carried on a support selected from the group consisting of TiAl.sub.2 O.sub.5, TiSrO.sub.3 and TiSiO.sub.4.

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