Table 2 FTIR spectroscopy for sulfamethoxazole and its derivatives
From: Synthesis and characterization of Schiff's bases of sulfamethoxazole
Compounds | υ(NH2) (cm−1) | υ(N-H) (cm−1) | υ(C = N) imine (cm−1) | υ(C = N) ring (cm−1) |
|---|---|---|---|---|
Sulfamethoxazole | 3,298 | - | - | 1,620 |
(1) | - | 3,250 | 1,650 | 1,616 |
(2) | - | 3,266 | 1,603 | 1,620 |
(3) | - | 3,290 | 1,650 | 1,600 |
(4) | - | 3,270 | 1,650 | 1,630 |
(5) | - | 3,287 | 1,633 | 1,615 |