Synthesis, Characterization, and Electrical Properties of Poly(azophenyleneazo-2,4-diamino-1,5-phenylenes)

Table 1

Relevant ¹H NMR chemical shift data of some protons in model compounds.

Position of aromatic protons	Model compound	Used solvent	Chemical shift (nm)	Reference
ortho- to amino group	Poly(diphenylamine-4,4′-diyl)	Trifluoroacetic acid	7.26	[12]
ortho- to amino group	(C6H4(BОC)NC6H4NH–)𝑛	THF	7	[13]
ortho-protons to azo groups	4-Aminoazobenzene		7.6–7.8	[14]
ortho-protons to azo groups	7-(4-N,N-Dihydroxyethylaminophenylazo)-2-nitro-9-fluorene		8.01	[15]