Fungicidal and Bactericidal Activity Ofmetal Diethyldithiocarbamate Fungicides
Journal of Thermal Analysis and Calorimetry, Vol. 94 (2008) 1, 75–81
FUNGICIDAL AND BACTERICIDAL ACTIVITY OF METAL DIETHYLDITHIOCARBAMATE FUNGICIDES Synthesis and characterization
H. S. Rathore1, K. Ishratullah2, C. Varshney1, G. Varshney1 and S. C. Mojumdar3,4*
1 2
Department of Applied Chemistry, Z. H. College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002 India Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India 3 Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St., Toronto, ON, M5S 3E5, Canada 4 University of New Brunswick, Saint John, NB, E2L 4L5, Canada
Copper diethyldithiocarbamate, cadmium diethyldithiocarbamate, lead diethyldithiocarbamate, nickel diethyldithiocarbamate and zinc diethyldithiocarbamate have been synthesized. They have been characterized using TG, DTA, IR spectroscopy, X-ray and atomic absorption spectrophotometry. The thermal conversion of the compounds is 54.36–88% at 1000°C. Their solubility in sodium hydroxide, mineral acids, organic solvents, distilled water and salts solution has been measured. Fungicidal activity of the dithiocarbamates has been tested by well or cup diffusion method using five fungi species. Their activity has also been tested by broth dilution method using six bacterial species. Minimum Inhibitory Concentration (bactericidal) is 6.25–25.00 mg mL–1. Keywords: diethyldithiocarbamate, DTA, fungicide, IR, synthesis, TG, X-ray diffraction
Introduction
The plant protection has become necessary in order to increase the food production. Many organometallic compounds may have important biological activities. This work is continuation of our previous research on organometallic compounds including their thermal, spectral, structural and biological activities [1–14]. Among the commercially available current fungicides, the group of dithiocarbamate is of special interest. Zinc dithiocarbamate (zineb, ziram), manganese
FUNGICIDAL AND BACTERICIDAL ACTIVITY OF METAL DIETHYLDITHIOCARBAMATE FUNGICIDES Synthesis and characterization
H. S. Rathore1, K. Ishratullah2, C. Varshney1, G. Varshney1 and S. C. Mojumdar3,4*
1 2
Department of Applied Chemistry, Z. H. College of Engineering and Technology, Aligarh Muslim University, Aligarh 202002 India Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India 3 Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St., Toronto, ON, M5S 3E5, Canada 4 University of New Brunswick, Saint John, NB, E2L 4L5, Canada
Copper diethyldithiocarbamate, cadmium diethyldithiocarbamate, lead diethyldithiocarbamate, nickel diethyldithiocarbamate and zinc diethyldithiocarbamate have been synthesized. They have been characterized using TG, DTA, IR spectroscopy, X-ray and atomic absorption spectrophotometry. The thermal conversion of the compounds is 54.36–88% at 1000°C. Their solubility in sodium hydroxide, mineral acids, organic solvents, distilled water and salts solution has been measured. Fungicidal activity of the dithiocarbamates has been tested by well or cup diffusion method using five fungi species. Their activity has also been tested by broth dilution method using six bacterial species. Minimum Inhibitory Concentration (bactericidal) is 6.25–25.00 mg mL–1. Keywords: diethyldithiocarbamate, DTA, fungicide, IR, synthesis, TG, X-ray diffraction
Introduction
The plant protection has become necessary in order to increase the food production. Many organometallic compounds may have important biological activities. This work is continuation of our previous research on organometallic compounds including their thermal, spectral, structural and biological activities [1–14]. Among the commercially available current fungicides, the group of dithiocarbamate is of special interest. Zinc dithiocarbamate (zineb, ziram), manganese
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