Novel 4-Thiazolidinone Derivatives as Anti-Infective Agents: Synthesis, Characterization, and Antimicrobial Evaluation

Table 1

Physical and spectral characterization of the synthesized compounds (4a–4f).

Comp.	Melting range	% yield (w/w)	IR (KBr) cm^−1	Mass /; M + 1	^1H NMR; (δ ppm)
4a	Viscous liquid	32.15	1728.1, 3453.60, 1217.2	345	2.37, 3.47, 7.60–6.46
4b	Viscous liquid	59.89	1637.4, 3445.9, 1216.40	374	2.04–2.74, 3.18–3.95,; 7.5–6.4
4c	128–130°C	40.11	1711.4, 3418.6, 1216.4; 763.7	356	2.73, 3.32, 3.93, 4.35; 7.85–6.88
4d	178–180°C	43.04	1691.9, 3296.7, 1592.6	340	1.89, 2.50, 3.07, 4.28; 7.87–6.87
4e	114–116°C	59.80	1584.2, 3427.9, 1216.4; 1707.4	316	1.25, 3.67, 3.33, 4.29; 7.85–6.56
4f	Viscous liquid	37.48	1663.20, 3021.20, 1217.00	306	1.91, 2.56, 3.33, 5.09; 6.92–6.80