HERBIZIDE SULFONYLHARNSTOFFE, VERFAHREN ZU IHRER HERSTELLUNG UND IHRE VERWENDUNG ZUR BEEINFLUSSUNG DES PFLANZENWACHSTUMS.

摘要

1-Pyrimidinyl- or 1-s-triazinyl-3-aryl sulphonyl-urea derivs. of formula (I) and their alkali(ne earth) metal salts are new. In (I) R1=H, 1-4C alkyl, 3-4C alkenyl, 3-4C alkynyl, 1-4C haloalkyl, 3-6C alkoxyalkyl, 4-6C haloalkoxyalkyl or 4-6C cycloalkyl; R2 = H, Me or Et; R3 = H, halogen, Me or OMe; R4 = H, Me or OMe; X = N or CH; Z = F, Cl or Br; provided that R1 is not Me when Z = Cl and X = N.