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

Table 4

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

Carbon	DEPT	Proton (^1H)		Carbon (^13C)
		Cal(𝛿h)	Expt(𝛿h)	Cal(𝛿c)	Expt(𝛿c)
2	C	—	—	154.76	157.62
4	C	—	—	138.80	144.84
5	C	—	—	131.40	128.61
6	CH	9.84	9.91	188.70	181.62
2^1	C	—	—	156.4	159.14
3^1	C	—	—	115.5	114.18
4^1	C	—	—	166.3	171.34
5^1	C	—	—	74.10	69.56
7^1	CH2	3.41	3.40	38.00	39.03
8^1	CH2	1.73	1.77	27.71	27.07
9^1	CH2	3.37	3.38	72.10	69.56
10^1	CH3	3.30	3.09	59.30	57.81
12^1	CH3	2.21	2.55	52.8	16.25