Table 1.

Reaction conditions, substituents and yields of obtained compounds 2b-8b.

No	R­1	R2	Pw (W)	Tm(S)	Ta (ºC)	Yield (%)
						A	B
2b	COOEt	COOEt	500	7	123	27	96
3b	COMe	COOMe	500	7	129	36	97
4b	H	COOMe	500	9	121	18	96
5b	C≡N	COOMe	500	7	121	33	94
6b	COMe	COMe	500	10	134	41	94
7b	C≡N	COOH	500	6	120	42	84
8b	COMe	COOH	500	5	126	35	87
No	R­3		Pw (W)	Tm(min)	T (ºC)	Yield (%)
						A	B
9b	Ph		500	3	109	75	95
10b	p-tolyl		500	3	109	73	97
11b	m-tolyl		500	3	109	84	94
12b	o-tolyl		500	3	109	73	94
13b	p-NO2-phenyl		500	3	109	51	92
14b	m-NO2- phenyl		500	3	109	62	97
15b	benzyl		500	3	109	75	97
16b	C4H9COOH		500	3	109	42	87