| 摘要 |
<p>(A) Compounds (I): where R1 and r2 = 1-4C alkyl or 3-4C alkenyl, R3 and R4 = 1-4C alkyl, 3-4C alkenyl or propargyl or H. (B) Compns. containing (I). Nematocides. Wettable powders, dry powders, granules containing (I) and opt. other nematocides, insecticides, acaricides and fungicides. Applied to the soil at the rate of 0.25-100 kg/ha. 98 Parts MeSH added to 60 parts dichloroglyoxime in 1600 parts 50% EtOH, then 218 parts 50% NaOH added gave 100 parts dimethylmercaptoglyoxime (II) m. 120 deg.C (EtOH). 15 parts MeNCO in 50 parts CH2Cl2 added to 18 parts (II) in 200 parts CH2Cl2 gave 23 parts (I, R1=R2=R3=R4=Me).</p> |
