N-phenylsulfonyl-N'-pyrimidinylureas

Details N-phenylsulfonyl-N'-pyrimidinylureas N-phenylsulfonyl-N'-pyrimidinylureas

1985-06-03

1987-09-15

Ford, John M.

Chemistry: fertilizers

Processes and products

Forms or conditioning

544321, C07D23969, A01N 4354

Patent

active

046937412

ABSTRACT:
N-Phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas of the general formula ##STR1## and the salts of these compounds with amines, alkali metal or alkaline earth metal bases or quaternary ammonium bases have good pre-emergence and post-emergence selective herbicidal properties and growth-regulating properties.
In this formula, A is a C.sub.1 -C.sub.6 -alkyl radical which is substituted by halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -halogenoalkoxy, C.sub.1 -C.sub.4 -halogenoalkylthio, C.sub.1 -C.sub.4 -halogenoalkylsulfinyl or C.sub.1 -C.sub.4 -halogenoalkylsulfonyl, or is a C.sub.2 -C.sub.6 -alkenyl radical substituted by the above radicals, E is the methine group or nitrogen, X is oxygen, sulfur or a sulfinyl or sulfonyl bridge, Z is oxygen or sulfur, m is the number one or two, R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or a --Y--R.sub.5 radical, R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl, C.sub.1 -C.sub.4 -halogenoalkyl or a --Y--R.sub.5, --COOR.sub.6, --NO.sub.2 or --CO--NR.sub.7 --R.sub.8 radical, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -halogenoalkyl, halogen, C.sub.1 -C.sub.4 -halogenoalkoxy or alkoxyalkyl having not more than 4 carbon atoms, R.sub.4 is C.sub.1 -C.sub.4 -halogenoalkoxy or C.sub.1 -C.sub.4 -halogenoalkylthio, R.sub.5 and R.sub.6 are each C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or C.sub.2 -C.sub.6 -alkynyl, R.sub.7 and R.sub.8 independently of one another are hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or C.sub.2 -C.sub.6 -alkynyl and Y is oxygen, sulfur or a sulfinyl or sulfonyl bridge, and A can also be an unsubstituted C.sub.2 -C.sub.6 -alkenyl radical if X is simultaneously oxygen.

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