| 摘要 |
N-(alpha-haloacyl)-N-hydrocarbyl carbamoyl halides and a process for their preparation are provided. The compounds are useful as intermediates in the preparation of insecticides and have the general formula; <CHEM> wherein; R represents alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, aralkyl, of up to 18 carbon atoms, and wherein such groups may be optionally substituted with halogen, cyano, nitro, or alkoxy, alkylthio, alkyl, alkenyl, alkynyl or cycloalkyl, groups of up to 12 carbon atoms; R<1> represents hydrogen, halo, or alkyl, of up to 12 carbon atoms; and X represents Cl or F and Y represent Cl, F or Br. |
