(
Calculated: C, 54.09; H, 2.48; N, 17.20; O 13.10; S 13.13).
2)
(N,N'E,N,N'E)-N,N'-(1,3-phenylenebis(methanylylidene))bis(5-methylthiazo)L2-amine
(L2):
Synthesis of
L2
was achieved by using 5-methylthiazoL2-amine (2.0 mmol, 0.224 g)
and 1,3-benzenedicarboxaldehyde (1.0 mmol, 0.134 g); dark brown color powder; yield,
0.279 g (78 %); mp-189 °C; FTIR (cm
-1
): 2832 (C-H), 1687 (C=N), 1525 (C=C), 1215 (C-
N), 1114 (C-H), 744 (C-S); UV/vis
(λ
max
): 204 nm, 227 nm, 254 nm, 345 nm;
1
H NMR
(
ppm): 8.59 (s. 2H), 8.47 (s, 1H), 8.10 (d, 2H), 7.76 (t, 1H), 7.19 (s. 2H), 2.61 (s, 6H);
Mass (ESI-MS, 100 %): 327.43 (Calculated: 326.07); Anal. for: C
16
H
14
N
4
S
2
;
Elemental
analysis: C 58.74; H 4.27; N 17.09; S, 20.05; (Calculated: C 58.87; H 4.32; N 17.16; S
19.65).
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