Table 1.

Physical data of synthesized compounds (4–31)

Comp. no.	R	R'	Mol. formula	Yield (%)	M.P. (°C)	M.W.	Elemental analysis calculated/found
							C	H	N
4	H	3-OH	C19H16N2O4S	57	289	368.41	61.94	4.38	7.60
							61.90	4.34	7.55
5	3-OH	H	C19H16N2O4S	55	243	368.41	61.94	4.38	7.60
							61.90	4.36	7.66
6	2-F	H	C19H14ClFN2O3S	52	186	370.40	56.37	3.49	6.92
							56.33	3.44	6.88
6	2-F	H	C19H14ClFN2O3S	52	186	370.40	56.37	3.49	6.92
							56.33	3.44	6.88
7	3-OH	3-OH	C19H16N2O5S	58	129	348.41	59.37	4.20	7.29
							59.32	4.16	7.24
8	H	Cl	C19H15ClN2O3S	55	183	386.85	58.99	3.91	7.24
							58.55	3.89	7.26
9	2,4-CH3	4-CH3	C22H22N2O3S	62	284	394.49	66.98	5.62	7.10
							66.95	5.56	7.05
10	2,5-CH3	2-OH	C21H20N2O4S	64	302	396.46	63.62	5.08	7.07
							63.58	5.11	7.10
11	2,4-CH3	2-OH	C21H20N2O4S	58	189	396.46	63.62	5.08	7.07
							63.58	5.11	7.11
12	3,5-CH3	2-OH	C21H20N2O4S	56	293	396.46	63.62	5.08	7.07
							63.59	5.06	7.02
13	2,4-OH	2-OH	C19H16N2O6S	52	243	400.41	56.99	4.03	7.00
							56.95	4.00	7.03
14	H	2-Cl, 4-CH3	C20H17ClN2O3S	58	109	400.88	59.92	4.27	6.99
							59.88	4.24	6.95
15	H	4-Cl, 3-CH3	C20H17ClN2O3S	56	113	400.88	59.92	4.27	6.99
							59.88	4.24	6.95
16	2-Cl	4-CH3	C20H17ClN2O3S	68	279	400.88	59.92	4.27	6.99
							59.95	4.24	6.96
17	2,3,4-OH	4-CH3	C20H18N2O6S	44	253	414.43	57.96	4.38	6.76
							59.95	4.42	6.72
18	3-OH	2-Cl,5-CH3	C20H17ClN2O4S	66	173	416.88	57.62	4.11	6.72
							57.59	4.08	6.70
19	2-F	2-Cl,4-CH3	C20H16ClFN2O3S	60	175	418.87	57.35	3.85	6.69
							57.30	3.81	6.66
20	3,5-CH3	2-Cl,4-CH3	C22H21ClN2O3S	55	308	428.93	61.60	4.93	6.53
							61.56	4.88	6.49
21	2-Cl	4-NO2	C19H14ClN3O5S	58	282	431.85	52.84	3.27	9.73
							52.86	3.21	9.69
22	2-Cl	2-NO2	C19H14ClN3O5S	66	174	431.85	52.84	3.27	9.73
							52.86	3.21	9.69
23	4-Cl	2-NO2	C19H14ClN3O5S	52	240	431.85	52.84	3.27	9.73
							52.86	3.22	9.70
24	2,3,4-OH	2-SH	C19H16N2O6S2	53	119	432.47	52.77	3.73	6.48
							52.74	3.68	6.44
25	2,4-OH	3-Cl,2-CH3	C20H17ClN2O5S	50	78	432.88	55.49	3.96	6.47
							55.45	3.94	6.42
26	4-Cl	4-Cl,3-CH3	C20H16Cl2N2O3S	70	302	435.32	46.62	3.13	5.44
							46.58	3.08	5.40
27	4-Cl	2-Cl,5-CH3	C20H16Cl2N2O3S	65	158	435.32	46.62	3.13	5.44
							46.58	3.08	5.40
28	2-Br	2-OH	C19H15BrN2O4S	52	113	447.30	51.02	3.38	6.26
							51.10	3.40	6.30
29	2-Br	3-OH	C19H15BrN2O4S	58	237	447.30	51.02	3.38	6.26
							51.10	3.40	6.30
30	2-Br	2-NO2	C19H14BrN3O5S	62	297	476.66	47.91	2.96	8.82
							47.88	2.94	8.85
31	3-Br	4-Cl,3-CH3	C20H16BrCl2N2O3S	67	309	479.77	50.07	3.36	5.84
							50.11	3.31	5.80