Table 1.

Structure and physical data of compounds 1a–e, 2a–e, 3a–e and 4a–e.

Compd.	Ar	M.P. (°C)	M.F.	M.W.	Yield (%)
1a	2,4,6-Cl-C6H2	214–215	C15H11Cl3N2O2S	389.68	50.5
1b	2,6-Cl2-C6H4	206–207	C15H13ClN2O2S	320.79	48.3
1c	4-CH3S-C6H4	193–194	C16H16N2O3S	316.37	61.1
1d	4-CF3-C6H5	240–241	C15H13N3O4S	331.34	45.5
1e	4-NO2-C6H5	200–201	C15H13FN2O2S	304.34	67.2
2a	2,4,6-Cl-C6H2	276–277	C15H11Cl3N2O3	373.62	77.3
2b	2,6-Cl2-C6H4	258–259	C15H13ClN2O3	304.73	78.0
2c	4-CH3S-C6H4	234–235	C16H16N2O4	300.31	83.5
2d	4-CF3-C6H5	250–251	C15H13N3O5	315.28	67.4
2e	4-NO2-C6H5	245–246	C15H13FN2O3	288.27	80.9
3a	2,4,6-Cl-C6H2	227–228	C16H13Cl3N6S2	459.80	46.4
3b	2,6-Cl2-C6H4	206–207	C16H15ClN6S2	390.85	50.8
3c	4-CH3S-C6H4	228–230	C17H18N6OS2	386.56	59.3
3d	4-CF3-C6H5	240–241	C15H17N7O2S2	401.47	55.4
3e	4-NO2-C6H5	234–236	C16H15FN6S2	374.46	52.2
4a	2,4,6-Cl-C6H2	237–238	C16H13Cl3N6OS	443.74	58.0
4b	2,6-Cl2-C6H4	258–259	C16H15ClN6OS	374.85	55.9
4c	4-CH3S-C6H4	180–182	C17H19N6O2S	371.43	51.8
4d	4-CF3-C6H5	214–216	C16H15N7O3S	385.40	50.2
4e	4-NO2-C6H5	240–241	C16H15FN6OS	358.39	48.8