Synthesis and biological activities of fluorine-containing N,N′-diphenylcarbamimidothioates

A series of fluorine-containing N,N′-diphenylcarbamimidothioates 6a-i have been synthesized by treatment of the corresponding arylamine with the aryl isothiocyanate in ethanol at room temperature followed by treatment with methyl iodide. The antifungal activities against the fungi Rhizoctonia solani and Pyricoraria orizae of the title compounds have been screened.