C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/598
C07D 235/26 (2006.01) C07C 209/36 (2006.01)
Patent
CA 1060477
PROCESS FOR THE PREPARATION OF TRIAMINO BENZENES Abstract of the disclosure: 1,2,4-triamino benzenes are obtained in high yield and purity by catalytic hydrogenation of 2,4-dinitro anilines in water containing at least one molar equivalent of a mono- or di-carboxylic acid. The products are known and useful as inter- mediates for dyes and biocides.
239182
Kunstmann Walter
Mees Bernhard
Hoechst Aktiengesellschaft
Na
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