Synthesis, Characterization, and Biological Activity of N^𝟏-Methyl-2-(𝟏H-1,2,3-Benzotriazol-1-y1)-3-Oxobutan- ethioamide Complexes with Some Divalent Metal (II) Ions

Table 6

Effect of MBOBT and its complexes on the respiration of bacteria. (Results represent percent inhibition of bacterial respiration caused by the addition of 0.5 and 1.0 mg of the test compound. Results are the mean of three independent analyses with standard deviations.)

Compound

Bacteria

Staphylococcus aureus

Staphylococcus hominis

Bacillus 𝑠𝑝^1

Bacillus 𝑠𝑝^2

Bacillus 𝑠𝑝^3

Escherichia coli

Salmonella 𝑠𝑝^1

Salmonella 𝑠𝑝^2

[L2Zn] ⋅ H2O

Amount (mg)

0.5

nil

nil

94.7±6.3

53.2±3.5

84.3±5.6

nil

40.7±2.5

nil

1.0

nil

nil

93.1±6.3

94.5±6.3

86.1±5.7

nil

79.1±5.3

nil

[L2Cu]

0.5

89.6±6.0

87.3±5.8

84.6±5.6

90.3±6.0

88.5±5.8

92.6±6.2

67.7±4.5

nil

1.0

94.5±6.3

91.0±6.0

95.1±6.5

66.7±4.4

87.9±6.0

93.7±6.4

74.8±5.0

nil

[L2Ni]

0.5

nil

nil

68.3±4.6

73.5±4.9

44.6±3.0

nil

nil

nil

1.0

nil

16.5±1.0

89.5±6.0

90.8±6.0

67.2±4.5

nil

nil

nil

[L2Co]

0.5

nil

nil

26.8±1.7

36.5±2.4

33.2±2.2

nil

nil

nil

1.0

nil

nil

69.9±4.7

78.9±5.3

70.1±4.6

nil

nil

nil

BMMB

0.5

nil

nil

nil

nil

nil

nil

nil

nil

1.0

nil

nil

nil

nil

nil

nil

nil

nil