Synthesis, Characterization, and Thermal and Antimicrobial Activities of Some Novel Organotin(IV): Purine Base Complexes

Table 6

Antibacterial activity of theophylline and theobromine complexes.

Compound	Diameter of inhibition zone (mm) after 24 hr
	Escherichia  coli (−)		Pseudomonas  aeruginosa (−)		Klebsiella pneumonia (−)		Staphylococcus aureus (+)
	500	1000	500	1000	500	1000	500	1000
HL^1	8	10	12	16	9	12	11	14
(C6H5CH2)3Sn(L^1)	10	12	13	17	10	13	10	12
(p-ClC6H4CH2)3Sn(L^1)	9	10	13	15	12	14	12	13
(C6H5CH2)2Sn(L^1)Cl	9	12	10	13	9	11	10	11
(p-ClC6H4CH2)2Sn(L^1)Cl	11	14	15	18	12	14	14	16
L^2	9	11	13	17	11	15	12	14
(C6H5CH2)3Sn(L^2)Cl	9	11	15	19	12	16	14	16
(p-ClC6H4CH2)3Sn(L^2)Cl	10	13	14	17	11	13	13	15
(C6H5CH2)2Sn(L^2)Cl2	11	15	16	19	13	17	14	16
(p-ClC6H4CH2)2Sn(L^2)Cl2	10	11	12	16	10	14	11	13