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US 4,310,346 AGranted
N(Substituted phenylsulfonyl) N'(substituted cyumidin-2-yl) ureas
AssigneeE. I. Du Pont de Nemours and Company
InventorsGeorge Levitt, Richard F. Sauers
Life of this patent
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Abstract
This invention relates to N(Substituted Phenylsulfonyl) N'(Substituted Pyrimidinyl) urea compounds having the formulae I and IA ##STR1## to agricultural compositions containing them and to their methods of use as general as well as selective pre- and post-emergence herbicides and as plant growth regulants.
Claims34
A compound of the formulae ##STR376## wherein A is ##STR377## where R.sub.a is H, Cl, CH.sub.3, OCH.sub.3 or NO.sub.2 and R.sub.b is H, F or C.sub.1 -C.sub.2 alkyl with 0-5F and R.sub.c is CH.sub.3 or CF.sub.3 ;
- R.sub.1 is ##STR378## where R.sub.d is C.sub.1 -C.sub.3 alkyl, or R.sub.1 is N(CH.sub.3).sub.2, CN, CH.sub.2 S(O).sub.n CH.sub.3 or S(O).sub.n CH.sub.3, where n is 0, 1 or 2;
- R.sub.1 ' is H, Cl, F, Br, CH.sub.3 or OCH.sub.3 ;
- R.sub.2 is H, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.4 alkenyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.4 -C.sub.7 cycloalkylalkyl, C.sub.5 -C.sub.6 cycloalkenyl, C.sub.3 -C.sub.5 alkynyl, C.sub.3 -C.sub.6 cycloalkyl substituted with 1-2 CH.sub.3 groups, CF.sub.2 CF.sub.2 H, CF.sub.2 CHFCl, CF.sub.2 CHFBr, CF.sub.2 CHFCF.sub.3, C(CH.sub.3).sub.2 CN, (CH.sub.2).sub.m CN, where m is 1 or 2, CH.sub.2 CH.sub.2 OCH.sub.3, CH.sub.2 CH(CH.sub.3)OCH.sub.3, (CH.sub.2).sub.3 OCH.sub.3, CHR.sub.7 CO.sub.2 R.sub.8 or CHR.sub.7 CON(R.sub.8).sub.2, where R.sub.7 is H or CH.sub.3 and R.sub.8 is C.sub.1 -C.sub.3 alkyl, OCH.sub.3, ##STR379## where R.sub.9 is H, CH.sub.3, Cl, Br or F;
- R.sub.3 is C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.4 alkenyl, CH.sub.2 CH.sub.2 OCH.sub.3, CH.sub.2 CH(CH).sub.3 OCH.sub.3, CH.sub.2 CF.sub.3, or (CH.sub.2).sub.m CN, where m is 1 or 2, or CHR.sub.7 CO.sub.2 R.sub.8,
- NR.sub.2 R.sub.3 taken together are ##STR380## R.sub.4 and R.sub.5 are independently H or CH.sub.3, but R.sub.4 and R.sub.5 cannot both be CH.sub.3 ;
- R.sub.6 is ##STR381## wherein X is H, CH.sub.3, CH.sub.3 O or CH.sub.3 CH.sub.2 O;
- Y is Cl, Br, H, C.sub.1 -C.sub.3 alkyl, CF.sub.3, NHCH.sub.3 N(CH.sub.3).sub.2, OCH.sub.2 CF.sub.3, OCH.sub.3, OC.sub.2 H.sub.5, SCH.sub.3, O(CH.sub.2).sub.p OR.sub.10, where p is 2 or 3 and R.sub.10 is CH.sub.3 or C.sub.2 H.sub.5, CH.sub.2 CH.sub.2 OCH.sub.3, CH.sub.2 OCH.sub.3, CH.sub.2 OCH.sub.2 CH.sub.3, OCHR.sub.7 CO.sub.2 R.sub.11, OCHR.sub.7 CON(R.sub.8).sub.2, CO.sub.2 R.sub.11 and CH.sub.2 CO.sub.2 R.sub.11, where R.sub.11 is H or C.sub.1 -C.sub.3 alkyl, CH.sub.2 CN, NCH.sub.3 (CH.sub.2 CN), CH.sub.2 CH.sub.2 CN, CH.sub.2 Cl, N.sub.3, OCH.sub.2 CH.dbd.CH.sub.2 or OCH.sub.2 C.tbd.CH;
- provided that:
- (1) when R.sub.2 is OCH.sub.3, R.sub.3 is CH.sub.3 ;
- (2) when R.sub.2 is CF.sub.2 CHFCl, CF.sub.2 CHFBr, CF.sub.2 CF.sub.2 H or CF.sub.2 CHFCF.sub.3, then R.sub.3 is C.sub.1 -C.sub.4 alkyl;
- and their agriculturally suitable salts.
8 more elements
Dependencies are inferred from the claim text.