Table 1. The Yields and Required Time for Thiazolidinone and Pyrimidine Formation Using Two Methods.

	microwave technique		conventional method
comp. no.	yield (%)	time (min)	yield (%)	time (h)
15	95	10	52	6
16	89	15	61	7
17	94	11	55	7
18	90	14	62	7
19	96	12	60	6
20	93	12	57	6
26	85	8	56	6
27	88	10	57	5
28	86	9	62	5
29	89	12	60	6
30	87	9	58	7
35	95	11	55	6
36	90	13	59	7
37	94	12	65	6
38	91	10	57	7