Synthesis of Disperse Dyes from Pyridone and Resorcinol Coupled to Diazotized 2-Amino-4-chloro-5-formylthiazole and Application to Polyester

Table 5

Proton (¹H) and carbon (¹³C) NMR characterization of dye 2 in DMSO (𝛿ppm).

Carbon	DEPT	Proton (^1H)		Carbon (^13C)
		Cal(𝛿h)	Expt(𝛿h)	Cal(𝛿c)	Expt(𝛿c)
2	C	—	—	154.7	149.86
4	C	—	—	139.0	129.65
5	C	—	—	115.0	119.92
6	CH	9.61	9.79	188.7	189.72
1^1	C	—	—	115.9	—
2^1	C	—	—	153.2	131.54
3^1	CH	6.2	7.17	104	—
4^1	C	—	—	156	132.72
5^1	CH	6.3	7.85	109	—
6^1	CH	6.9	7.82	125.4	124.52