Substituted phenylsulfonylurea derivatives, a process for...

Details Substituted phenylsulfonylurea derivatives, a process for... Substituted phenylsulfonylurea derivatives, a process for...

C - Chemistry, Metallurgy

07

D

260/537.1

C07D 521/00 (2006.01) A01N 47/36 (2006.01) C07D 239/42 (2006.01)

Patent

CA 1225407

ASTRACT OF THE DISCLOSURE The invention relates to a substituted benzenesulfonyl isocyanate of the formula II Image (II) wherein X represents an oxygen atom or a single bond, Y and Z each represents a halogen atom, a C1 to C6 alkyl group, a C1 to C6 alkoxy group or a nitro group, and m and n are each independently 0, 1 or 2 with the proviso that m and n are not both 0 at the same time,and a process for preparing compounds of formula II. The compounds of formula II are useful as intermediates in the preparation of herbicides.

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