New Conjugates of Quinoxaline as Potent Antitubercular and Antibacterial Agents

Table 1

Physical data of the synthesized compounds.

Comp. code	% yield	Melting point	value	max in nm (ethanol)
1	64	212–13°C	0.715	247	−0.06	−0.292
2	62	>300°C	0.825	272	−0.03	−0.942
3a (glucose)	65	290–92°C	0.438	298	−1.89	−1.192
3b (mannose)	66	269–71°C	0.456	297	−1.89	−1.192
3c (maltose)	47	>300°C	0.628	286	−3.63	−2.935
3d (lactose)	44	>300°C	0.602	286	−3.63	−2.935
3e (ribose)	64	286–88°C	0.502	292	−1.36	−0.811
3f (xylose)	63	224–15°C	0.545	293	−1.36	−0.811

TLC using silica gel GF254 and a mixture of chloroform and methanol (80 : 20% v/v). Values were calculated.