Table 1.

Physical properties and elemental analyses for Schiff bases 1–3.

Schiff Base	Ar	Color	Yield (%)	Mp (°C)	Calcd. (Found; %)
					C	H	N
1	2-HOC6H4	Deep orange	84	234–236	8.88 (8.92)	4.79 (4.85)	76.17 (76.22)
2	3-HOC6H4	Light brown	80	207–209	8.88 (8.91)	4.79 (4.83)	76.17 (76.19)
3	4-NO2C6H4	Dark red	78	274–276	15.01 (15.23)	3.51 (3.56)	64.34 (64.40)