Microwave-Assisted Solution Phase Synthesis of Novel 2-{4-[2-(N-Methyl-2-pyridylamino)ethoxy]phenyl}-5-Substituted 1,3,4-Oxadiazole  Library

Table 1

Entry	Oxadiazole	Structure	Yield (%)	Melting point (°C)
1	9a		78	161-162
2	9b		76	122–124
3	9c		74	139-140
4	9d		79	142–144
5	9e		72	151–153
6	9f		70	118–120
7	9g		80	158-159
8	9h		81	152-153
9	9i		80	124-125
10	9j		78	158–160
11	9k		69	oily
12	9l		81	159–161
13	9m		73	182–184
14	9n		78	156–158
15	9o		70	oily
16	9p		74	143–145
17	9q		81	129–132
18	9r		79	100-101
19	9s		80	109–111
20	9t		77	155–158