Process for the preparation of triamino benzenes

C - Chemistry – Metallurgy – 07 – D

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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.

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