C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/601, 260/590
C07C 209/36 (2006.01) C07C 209/90 (2006.01) C07C 211/52 (2006.01)
Patent
CA 2016581
TITLE Process For Preparing Halogenated Aromatic Amines ABSTRACT OF THE INVENTION This invention relates to a process for the hydrogenation of halogenated aromatic nitro compounds to the corresponding halogenated amines using a platinum catalyst in the presence of certain aminoalkyl ethers or alkanolamines. It relates in addition to halogenated aromatic amines containing an amount of such aminoalkyl ether or alkanolamine effective to stabilize said halogenated aromatic amine. The storage stabilizers and dehalogenation inhibitors contain a total of 2 to 6 carbon atoms and can be represented by the formula: R1-(R2)-N-(CH2)n-O-R3 wherein R1 and R2 may be the same or different -H or -CH2CH2OH, n is an integer from 2 to 3, and R3 is either -H or -CH3.
Chang Yu-Wei
Seagraves Robert L.
Chang Yu-Wei
E.i. Du Pont de Nemours And Company
Seagraves Robert L.
Sim & Mcburney
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