Table 1.

Physical and analytical data of compounds, 2a–f, 3a–f, 4a–f and 5a–c.

Compound	X	Y	Yield (%)	Mp (ºC)	Molecular Formula	Calculated %			Found %
						C	H	N	C	H	N
2a	NO2	Me	72	181	C20 H19 N3 O3	68.77	5.44	12.03	68.71	5.39	12.09
2b	NO2	NO2	79	201	C19 H16 N4 O5	60.00	4.21	14.74	60.06	4.19	14.77
2c	H	H	66	166	C19 H18 N2 O	78.62	6.21	9.66	78.59	6.19	9.62
2d	H	Me	65	180	C20 H20 O N2	78.95	6.58	9.21	79.01	6.49	9.28
2e	OMe	Me	69	190	C21 H22 O2 N2	75.45	6.59	8.38	75.49	6.62	8.44
2f	OMe	H	74	160	C20 H20 O2 N2	75.00	6.25	8.75	74.97	6.26	8.77
3a	NO2	Me	81	183	C20 H17 O3 N3	69.16	4.90	12.10	69.22	4.87	12.08
3b	NO2	NO2	92	197	C19 H14 O5 N4	60.32	3.70	14.81	60.33	3.69	14.77
3c	H	H	62	159	C19 H16 O N2	79.17	5.56	9.72	79.21	5.53	9.71
3d	H	Me	66	164	C20 H18 O N2	79.47	5.96	9.27	79.51	5.91	9.27
3e	OMe	Me	64	171	C21 H20 O2 N2	75.90	6.02	8.43	75.93	6.06	8.51
3f	OMe	H	59	180	C20 H18 O2 N2	75.47	5.66	8.81	75.52	5.60	8.86
4a	NO2	Me	83	201	C22 H21 O4 N3	67.52	5.37	10.74	67.52	5.43	10.80
4b	NO2	NO2	97	210	C21 H18 O6 N4	59.72	4.27	13.27	59.69	4.26	13.22
4c	H	H	59	177	C21 H20 O2 N2	57.90	6.02	8.43	57.84	5.99	8.44
4d	H	Me	58	179	C22 H22 O2 N2	76.30	6.36	8.09	76.28	6.31	8.12
4e	OMe	Me	67	189	C23 H24 O3 N2	73.40	6.38	7.45	73.44	6.39	7.49
4f	OMe	H	80	162	C22 H22 O3 N2	72.93	6.08	7.73	72.91	6.01	7.76
5a	NO2	―	54	165	C12 H10 O3 N2	62.61	4.35	12.17	62.66	4.29	12.21
5b	H	―	49	159	C12 H11 O N	77.84	5.95	7.57	77.90	5.99	7.62
5c	OMe	―	74	161	C13 H13 O2 N	72.56	6.05	6.51	72.60	6.01	6.48