Journal of Chemistry

Research Article

Disperse Dyes Based on Thiazole, Their Dyeing Application on Polyester Fiber and Their Antimicrobial Activity

Table 4

IR and NMR data of D₁–D₁₃ dyes.


Dye number	IR (KBr) cm⁻¹	¹H NMR (DMSO) chemical shift in δ ppm

D₁	3341 (N–H str.), 3011 (C–H), 1652 (C=O), 1578 (N=N), 1520 (NO₂), 1442 (C–S–C), 776 (C–S)	3.36 (s, 2H, –COCH₂), 4.30 (s, 1H, –NH), 6.92 (s, 1H, –NH), 7.37–8.48 (m, 14H, Ar–H),
D₂	3329 (N–H), 3008 (C–H), 1660 (C=O), 1581 (N=N), 1514 (NO₂), 1434 (C–S–C), 781 (C–S)	3.34 (s, 2H, –COCH₂), 4.32 (s, 1H, –NH), 6.86 (s, 1H, –NH), 7.20–8.31 (m, 14H, Ar–H),
D₃	3337 (N–H), 3007 (C–H), 1655 (C=O), 1578 (N=N), 1517 (NO₂), 1419 (C–S–C), 779 (C–S)	3.35 (s, 2H, –COCH₂), 4.35 (s, 1H, –NH), 6.87 (s, 1H, –NH), 7.15–8.21 (m, 12H, Ar–H), 8.59 (s, 1H)
D₄	3319 (N–H), 3010 (C–H), 2224 (C≡N), 1664 (C=O), 1581 (N=N), 1510 (NO₂), 1415 (C–S–C), 778 (C–S)	3.32 (s, 2H, –COCH₂), 4.31 (s, 1H, –NH), 6.84 (s, 1H, –NH), 7.12–8.22 (m, 11H, Ar–H), 8.78 (s, 1H)
D₅	3322 (N–H), 3202 (O–H), 2998 (C–H), 1661 (C=O), 1584 (N=N), 1511 (NO₂), 1417 (C–S–C), 1181 (O–C), 774 (C–S)	3.34 (s, 2H, –COCH₂), 4.28 (s, 1H, –NH), 5.64 (s, 1H, –OH), 6.82 (s, 1H, –NH), 7.10–8.27 (m, 13H, Ar–H)
D₆	3317 (N–H), 3209 (O–H), 3007 (C–H), 1669 (C=O), 1580 (N=N), 1514 (NO₂), 1416 (C–S–C), 1176 (O–C), 776 (C–S)	3.31 (s, 2H, –COCH₂), 4.32 (s, 1H, –NH), 5.67 (s, 1H, –OH), 6.79 (s, 1H, –NH), 7.15–8.22 (m, 13H, Ar–H)
D₇	3324 (N–H), 3205 (O–H), 3002 (C–H), 1667 (C=O), 1584 (N=N), 1510 (NO₂), 1414 (C–S–C), 1177 (O–C), 768 (C–S)	3.35 (s, 2H, –COCH₂), 4.29 (s, 1H, –NH), 5.59 (s, 1H, –OH), 6.80 (s, 1H, –NH), 7.10–8.21 (m, 13H, Ar–H)
D₈	3334 (N–H), 3208 (CH₃), 3012 (C–H), 1669 (C=O), 1579 (N=N), 1509 (NO₂), 1411 (C–S–C), 775 (C–S)	2.59 (s, 3H, –CH₃), 3.39 (s, 2H, –COCH₂), 4.26 (s, 1H, –NH), 6.81 (s, 1H, –NH), 7.06–8.28 (m, 13H, Ar–H)
D₉	3327 (N–H), 3017 (CH₃), 2912 (C–H), 1658 (C=O), 1580 (N=N), 1512 (NO₂), 1418 (C–S–C), 769 (C–S)	2.62 (s, 3H, –CH₃), 3.37 (s, 2H, –COCH₂), 4.31 (s, 1H, –NH), 6.70 (s, 1H, –NH), 7.11–8.18 (m, 13H, Ar–H)
D₁₀	3318 (N–H), 2998 (C–H), 1665 (C=O), 1578 (N=N), 1517 (NO₂), 1413 (C–S–C), 763 (C–S), 729 (C–Cl)	3.30 (s, 2H, –COCH₂), 4.19 (s, 1H, –NH), 6.74 (s, 1H, –NH), 7.05–8.20 (m, 13H, Ar–H)
D₁₁	3305 (N–H), 3009 (C–H), 1663 (C=O), 1583 (N=N), 1512 (NO₂), 1416 (C–S–C), 766 (C–S)	3.32 (s, 2H, –COCH₂), 4.18 (s, 1H, –NH), 6.67 (s, 1H, –NH), 7.12–8.19 (m, 11H, Ar–H), 8.51 (s, 1H,)
D₁₂	3315 (N–H), 3004 (C–H), 1659 (C=O), 1582 (N=N), 1516 (NO₂), 1418 (C–S–C), 772 (C–S), 724 (C–Cl)	3.34 (s, 2H, –COCH₂), 4.23 (s, 1H, –NH), 6.73 (s, 1H, –NH), 7.10–8.12 (m, 9H, Ar–H), 8.44 (s, 1H, between –NO₂ and Cl), 8.79 (s, 1H, between two –NO₂ group).
D₁₃	3312 (N–H), 3007 (C–H), 1661 (C=O), 1581 (N=N), 1521 (NO₂), 1420 (C–S–C), 767 (C–S), 694 (C–Br)	3.31 (s, 2H, –COCH₂), 4.17 (s, 1H, –NH), 6.79 (s, 1H, –NH), 7.00–8.05 (m, 9H, Ar–H), 8.53 (s, 2H).