Table 1.

Molecular structures, yields, melting points, molecular weights, and molecular formulae of T1-12.

Compound No.	R	Yield (%)	P	MM	Molecular Formula
T1	H	79.90	226–228	434.48	C23H23FN6O2
T2	4-CH3	78.15	198–200	448.49	C24H25FN6O2
T3	2-Cl	73.19	203–205	468.91	C23H22ClFN6O2
T4	4-Cl	91.21	192–194	468.91	C23H22ClFN6O2
T5	4-Br	85.69	209–211	513.36	C23H22BrFN6O2
T6	2-CH3O	77.45	239–241	464.49	C24H25FN6O3
T7	4-N(CH3)2	68.77	237–239	477.53	C25H28FN7O2
T8	3-Br	90.08	207–208	513.36	C23H22BrFN6O2
T9	2-F	88.36	225–226	452.47	C23H22 F2N6O2
T10	4-F	57.70	178–180	452.47	C23H22 F2N6O2
T11	4- OCH3	75.32	148–150	464.49	C24H25FN6O3
T12	2-CH3	72.21	244–245	448.49	C24H25FN6O2