Microwave-Assisted Synthesis of Some Quinoxaline-Incorporated Schiff Bases and Their Biological Evaluation

Table 1

Characterization data of compounds 4(a–j).

Comd	Ar	M.P (°C)	Conventional		Microwave
			Time(hr)	Yield (%)	Time (min)	Yield (%)
4a	C6H5	278	6	75	7	90
4b	4-Cl-C6H4	260	5	69	6	80
4c	3-NO2-C6H4	289	7	80	7	92
4d	4-OH-C6H4	246	6	65	7	81
4e	3,4-(OCH3)2-C6H3	240	6	76	8	85
4f	4-OCH3-C6H4	281	7	72	7	89
4g	4-N(CH3)2-C6H4	274	6	66	6	83
4h	3-indolyl	256	7	60	7	82
4i	2-furyl	295	5	68	6	84
4j	5-(4-nitrophenyl)-2-furfuryl	232	6	74	8	91