Synthesis
4-Methyltriphenylamine (MTPA), 4-n-butyltriphenylamine (nBTPA) and 4-t-butyltriphenylamine (tBTPA) were synthesized as shown in figure below, where 'R' is the alkyl group in the side chain such as methyl, n-butyl or t-butyl
[1].
References
[1] Takahashi, C., Moriya, S., Fugono, N., Lee, H. C., Sato, H. (2002). Preparation and characterization of poly(4-alkyltriphenylamine) by chemical oxidative polymerization. Synthetic Metals, 129 2, Pages 123-128.
https://doi.org/10.1016/S0379-6779(02)00010-3
