Synthesis and Biological Evaluation of New Hydrazone Derivatives of Quinoline and Their Cu(II) and Zn(II) Complexes against Mycobacterium tuberculosis

Table 1

Structures of hydrazones 2a–2e (see Figure 10).

Entry	Hydrazide (1)	Hydrazone (2)	Yield (%)	Colour
a			84	Dark yellow
b			87	Yellow
c			76	Faint yellow
d			90	Pale yellow
e			84	Pale yellow