| abstract |
THE INVENTION REFERS TO A COMPOUND OF BENZOILUREA OF FORMULA (I) IN WHICH X1 AND X2 ARE AN ATOM OF HYDROGEN OR HALOGEN OR A METHYL GROUP, PROVIDED THAT THEY ARE NOT AT THE SAME TIME ATOMED BY HYDROGEN, HYDROGEN OR HALOGEN, A RENT GROUP WHICH MAY BE REPLACED BY HALOGEN, A GROUP -CO2R1 IN WHICH R1 IS A HYDROGEN ATOM, A CATION OR A GROUP ALKYL, OR A GROUP -OR1 IN WHICH R1 IS THE FOREGOING A1 ES = N- O = CY BEING AND DEFINED BEFORE; W IS AN OXYGEN OR SULFUR ATOMO OR GROUP (II), IN WHICH R1 IS THE ABOVE, K IS A NUMBER OF 1 TO 3, L IS 0 OR 1 AND AR IS GROUP (III), IN THAT Z IS INDEPENDENTLY A HYDROGEN OR HALOGEN ATOM, OR AN ALKYL OR ALCOXY GROUP THAT MAY BE REPLACED BY HALOGEN, A NITRO OR CIAN GROUP, OR A -S (O) NR2 GROUP IN WHICH R2 IS A RENTED GROUP BE SUBSTITUTED BY HALOGEN AND N IS 0.1 O 2, A2 IS -S-, -N = CZ- O -CZ = CZ-, Z BEING ABOVE DEFINED AND M IS A WHOLE NUMBER FROM 1 TO 3. |