Synthesis and Purification of 4,4'-Diaminotriphenylamine

Abstract

The intermediate 4,4'-dinitrotriphenylamine (DNTPA) was synthesized by the reacting from aniline with p-chloronitrobenzene with the catalysis of anhydrous potassium carbonate. The hydrogenation of DNTPA was catalyzed by 10% Pd/C, affording 4,4'-diaminotriphenylamine (DATPA) with the purity of 96.6%. The gross yield is 38%. In comparison with other methods, there are some advantages in this method: the materials are cheap and easily available, and the product can be used as a monomer in polym-erization.

Key words: 4,4'-diaminotriphenylamine, synthesis, purification, 4,4'-dinitrotriphenylamine

Cite this article

MENG Xiang-Li*, HUANG Yu-Dong, NIU Hai-Jun, LEI Zuo-Tao. Synthesis and Purification of 4,4'-Diaminotriphenylamine[J]. Chin. J. Org. Chem., 2007, 27(05): 682-684.

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4,4'-二氨基三苯胺的合成与纯化