| 摘要 |
1370370 Halogen-substituted sulphonates STAUFFER CHEMICAL CO 22 Dec 1971 [22 Dec 1970] 59790/71 Heading C2C Novel compounds of formula where X is halogen, R is alkyl, haloalkyl, alkoxycarbonylmethyl or haloalkoxycarbonylmethyl and n is 2, 3 or 4, provided that when X is Cl or Br and n is 2, R is not C 1-2 alkyl, may be prepared by reacting the alcohol X-(CH 2 ) n -OH with the sulphonyl chloride Cl-SO 2 -R, optionally in the presence of a solvent, e.g. ether, then adding an acid acceptor, e.g. triethylamine, and isolating the product. The compounds are used as antidotes for thiocarbamate herbicides. |
