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Table 3 Physical and analytical data for the newly synthesized pyridinium hydrazones 233

From: Novel amphiphilic pyridinium ionic liquids-supported Schiff bases: ultrasound assisted synthesis, molecular docking and anticancer evaluation

Comp no R Y mp °C λmax (nm) Fluorescence
2 C8H17 I 104–105 222, 330, 430 +
3 C9H19 I 91–93 220, 332, 432 +
4 C10H21 I 110–112 220, 332, 430 +
5 C11H23 I 82–83 220, 332, 430 +
6 C12H25 I 72–73 220, 330, 430 +
7 C14H29 I 86–88 220, 332, 430 +
8 C16H33 I 78–80 220, 332, 430 +
9 C18H37 I 98–99 220, 332, 430 +
10 C8H17 PF6 Yellow crystals 64–65 220, 330, 430 +
11 C8H17 BF4 Yellow crystals 80–82 220, 332, 430 +
12 C8H17 COOCF3 Yellow crystals 74–76 220, 332, 430 +
13 C9H19 PF6 Yellow crystals 69–70 220, 330, 428 +
14 C9H19 BF4 Yellow crystals 88–90 222, 328, 426 +
15 C9H19 COOCF3 Yellow crystals 96–98 222, 332, 424 +
16 C10H21 PF6 Yellow syrup 220, 330, 428 +
17 C10H21 BF4 Colorless syrup 220, 330, 428 +
18 C10H21 COOCF3 Yellow syrup 222, 334, 432 +
19 C11H23 PF6 Yellow syrup 220, 330, 428 +
20 C11H23 BF4 Yellow syrup 220, 330, 426 +
21 C11H23 COOCF3 Colorless syrup 222, 332, 430 +
22 C12H25 PF6 Yellow syrup 222, 330, 430 +
23 C12H25 BF4 Yellow syrup 218, 332, 430 +
24 C12H25 COOCF3 Colorless syrup 220, 336, 428 +
25 C14H29 PF6 Yellow syrup 220, 332, 428 +
26 C14H29 BF4 Yellow syrup 220, 336, 430 +
27 C14H29 COOCF3 Colorless syrup 220, 330, 428 +
28 C16H33 PF6 Yellow syrup 220, 338, 432 +
29 C16H33 BF4 Yellow syrup 218, 332, 428 +
30 C16H33 COOCF3 Colorless syrup 220, 334, 430 +
31 C18H37 PF6 Yellow syrup 220, 330, 428 +
32 C18H37 BF4 Yellow syrup 220, 330, 432 +
33 C18H37 COOCF3 Colorless syrup 220, 332, 430 +
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