Hetarylazopyrazolone Dyes Based on Benzothiazole and Benzimidazole Ring Systems: Synthesis, Spectroscopic Investigation, and Computational Study

Table 6

The values of dyes in different percentages of chloroform/DMF mixture.

Dye number	Chloroform	20% DMF	40% DMF	60% DMF	80% DMF	DMF
3a	419	445	466	466	467	467
3b	422	460	461	469	469	469
3c	451	469	469	469	469	469
3d	443	453	469	469	469	469
3e	453	459	459	457	453	452
3f	465	468	469	467	467	457