Title compounds Bu3SnSP(S)(OR)2 (R = Ph, 3-ClC6H4, 4-ClC6H4, 2,4-Cl2C6H3, 2-, 3-, 4-MeC6H4, 4-Me3CC6H4, 4-MeOC6H4 2,4-Me2C6H3, 3,4-Me2C6H3, 2,4,5-Cl3C6H2) were prepared in 70.2-81.4% yield by refluxing Bu3SnCl and KSP(S)(OR)2 in acetone for 6 h. Some of the title compounds showed miticidal, fungicidal, or herbicidal activities.

Key words: INFRARED SPECTROPHOTOMETRY, BIOLOGICAL ACTIVITY, BACTERICIDAL AGENTS, C13 NMR SPECTROMETRY, HERBICIDES, POTASSIUM COMPOUNDS, ORGANO TIN COMPOUNDS, PROTON MAGNETIC RESONANCE SPECTROMETRY, OXIDE, THIOPHOSPHATE