| 摘要 |
PCT No. PCT/EP92/01879 Sec. 371 Date Feb. 28, 1994 Sec. 102(e) Date Feb. 28, 1994 PCT Filed Sep. 25, 1992 PCT Pub. No. WO93/05048 PCT Pub. Date Mar. 18, 1993Substituted sulfonylureas of the formula I ch 0 or 1; X is O, S or N-R4, where R4 is hydrogen or alkyl; A is NO2, NH2, OH, CN, SCN, S(O)oR5, SO2NR6R7 or ER7; and environmentally compatible salts of the compounds. The disclosure is also directed to a process for preparing the compounds, to intermediates for the preparation of the compounds and to the use of the compounds as herbicides. |
