Table 1.

Melting points, crystallization solvents, yield percentages, molecular formulae, and molecular weights of compounds 6a–f, 9a–d, 10a–d, 11, 12a–e, 13, and 14

Compound number	R/N(R)2	Crystalline solvent	Melting point (°C)	Yield (%)	Molecular formula (molecular weight)
6a	C2H5	EtOH/H2O	231–233	51	C25H35N5S (437.64)
6b	COOC2H5	EtOH	192–194	80	C26H35N5O2S (481.65)
6c	C6H5	EtOH/H2O	225–227	84	C29H35N5S (485.69)
6d	2-CH3OC6H4	EtOH/H2O	135–137	92	C30H37N5OS (515.71)
6e	C6H5CH2	EtOH	197–199	80	C30H37N5S (499.71)
6f	2-Pyridyl	EtOH/H2O	145–147	76	C28H34N6S (486.67)
9a	CH3	EtOH/H2O	133–135	63	C17H28N4S (320.50)
9b	C2H5	EtOH/H2O	111–113	69	C19H32N4S (348.55)
9c	1-Pyrrolidyl	EtOH/H2O	132–134	59	C19H30N4S (346.53)
9d	1-Piperidyl	EtOH/H2O	155–157	66	C20H32N4S (360.56)
10a	CH3	EtOH/H2O	160–162	14	C17H28N4S (320.50)
10b	C2H5	EtOH/H2O	148–150	11	C19H32N4S (348.55)
10c	1-Pyrrolidyl	EtOH/H2O	144–146	14	C19H30N4S (346.53)
10d	1-Piperidyl	EtOH/H2O	167–169	19	C20H32N4S (360.56)
11	–	EtOH/H2O	155–157	53	C21H27N3OS (369.52)
12a	H	EtOH/H2O	139–141	65	C25H27N3S (401.57)
12b	F	EtOH/H2O	132–134	62	C25H26FN3S (419.56)
12c	cl	EtOH/H2O	130–132	75	C25H26CIN3S (436.01)
12d	NO2	EtOH	188–190	85	C25H26N4O2S (446.56)
12e	3,5(CF3)2	EtOH	156–158	92	C27H25F6N3S (537.56)
13	–	EtOH/H2O	156–158	81	C22H27N3O2S (397.53)
14	–	EtOH/H2O	288–90	73	C20H23N3O2S (369.48)