Claims
- 1. A compound of the formula ##STR5## wherein Y represents H, OH, Cl, CH.sub.3, C.sub.2 H.sub.5, OCH.sub.3, or SCH.sub.3 ;
- R.sup.1 represents H, F, Cl, Br, CH.sub.3, CF.sub.3, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- R.sup.2 represents H or CH.sub.3 ; and
- R.sup.3 represents F, Cl, Br, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, CON(C.sub.1 -C.sub.4)alkyl.sub.2, OCH.sub.3, or OC.sub.2 H.sub.5 ;
- with the proviso that R.sup.1 and R.sup.3 are not simultaneously NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- and agriculturally acceptable salts thereof.
- 2. A compound of claim 1 wherein Y represents H, OCH.sub.3, or SCH.sub.3.
- 3. A compound of claim 1 wherein R.sup.1 represents F, Cl, Br, or CF.sub.3, R.sup.2 represents H or CH.sub.3, and R.sup.3 represents F, Cl, Br, or OCH.sub.3.
- 4. A compound of claim 3 wherein Y represents H, OCH.sub.3, or SCH.sub.3.
- 5. A compound of claim 4: 5-fluoromethyl-7-methoxy-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide and agriculturally acceptable salts thereof.
- 6. A compound of claim 4: 5-fluoromethyl-7-methoxy-N-(2,6-difluorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide and agriculturally acceptable salts thereof.
- 7. A compound of claim 4: 5-fluoromethyl-7-methoxy-N-(2-methoxy-6-(trifluoromethyl)phenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide and agriculturally acceptable salts thereof.
- 8. A compound of claim 4: 5-fluoromethyl-7-methoxy-N-(2,6-dichloro-3-methylphenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide and agriculturally acceptable salts thereof.
- 9. A compound of claim 4: 5-fluoromethyl-7-methylthio-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide and agriculturally acceptable salts thereof.
- 10. A composition containing an agriculturally acceptable adjuvant or carrier in combination with an herbicidally effective amount of a compound of the formula ##STR6## wherein Y represents H, CH.sub.3, C.sub.2 H.sub.5, OCH.sub.3, or SCH.sub.3 ;
- R.sup.1 represents H, F, Cl, Br, CH.sub.3, CF.sub.3, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- R.sup.2 represents H or CH.sub.3 ; and
- R.sup.3 represents F, Cl, Br, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, CON(C.sub.1 -C.sub.4)alkyl.sub.2, OCH.sub.3, or OC.sub.2 H.sub.5 ;
- with the proviso that R.sup.1 and R.sup.3 are not simultaneously NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- or an agriculturally acceptable salt thereof.
- 11. A composition of claim 10 wherein Y represents H, OCH.sub.3, or SCH.sub.3.
- 12. A composition of claim 10 wherein R.sup.1 represents F, Cl, Br, or CF.sub.3, R.sup.2 represents H or CH.sub.3, and R.sup.3 represents F, Cl, Br, or OCH.sub.3.
- 13. A composition of claim 12 wherein Y represents H, OCH.sub.3, or SCH.sub.3.
- 14. A composition of claim 13 containing 5-fluoromethyl-7-methoxy-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 15. A composition of claim 13 containing 5-fluoromethyl-7-methoxy-N-(2,6-difluorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 16. A composition of claim 13 containing 5-fluoromethyl-7-methoxy-N-(2-methoxy-6-(trifluoromethyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 17. A composition of claim 13 containing 5-fluoromethyl-7-methoxy-N-(2,6-dichloro-3-methylphenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 18. A composition of claim 13 containing 5-fluoromethyl-7-methylthio-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 19. A method of controlling unwanted vegetation which comprises applying to the vegetation or its locus an effective amount of a compound of the formula ##STR7## wherein Y represents H, CH.sub.3, C.sub.2 H.sub.5, OCH.sub.3, or SCH.sub.3 ;
- R.sup.1 represents H, F, Cl, Br, CH.sub.3, CF.sub.3, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- R.sup.2 represents H or CH.sub.3 ; and
- R.sup.3 represents F, Cl, Br, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, CON(C.sub.1 -C.sub.4)alkyl.sub.2, OCH.sub.3, or OC.sub.2 H.sub.5 ;
- with the proviso that R.sup.1 and R.sup.3 are not simultaneously NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- or an agriculturally acceptable salt thereof.
- 20. A method according to claim 19 wherein the compound is applied postemergently.
- 21. A method according to claim 19 wherein Y represents H, OCH.sub.3, or SCH.sub.3.
- 22. A method according to claim 19 wherein R.sup.1 represents F, Cl, Br, or CF.sub.3, R.sup.2 represents H or CH.sub.3, and R.sup.3 represents F, Cl, Br, or OCH.sub.3.
- 23. A method according to claim 22 wherein Y represents H, OCH.sub.3, or SCH.sub.3.
- 24. A method according to claim 23 wherein the compound is 5-fluoromethyl-7-methoxy-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 25. A method according to claim 23 wherein the compound is 5-fluoromethyl-7-methoxy-N-(2,6-difluorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 26. A method according to claim 23 wherein the compound is 5-fluoromethyl-7-methoxy-N-(2-methoxy-6-(trifluoromethyl)phenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 27. A method according to claim 23 wherein the compound is 5-fluoromethyl-7-methoxy-N-(2,6-dichloro-3-methylphenyl)-1,2,4-triazolo[1,5-a]-pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 28. A method according to claim 23 wherein the compound is 5-fluoromethyl-7-methylthio-N-(2,6-dichlorophenyl)-1,2,4-triazolo[1,5-a]pyrimidine-2-sulfonamide or an agriculturally acceptable salt thereof.
- 29. A method of controlling unwanted vegetation in crops which comprises applying to the crop or its locus a selectively effective amount of a compound of the formula ##STR8## wherein Y represents H, CH.sub.3, C.sub.2 H.sub.5, OCH.sub.3, or SCH.sub.3 ;
- R.sup.1 represents H, F, Cl, Br, CH.sub.3, CF.sub.3, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- R.sup.2 represents H or CH.sub.3 ; and
- R.sup.3 represents F, Cl, Br, NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, CON(C.sub.1 -C.sub.4)alkyl.sub.2, OCH.sub.3, or OC.sub.2 H.sub.5 ;
- with the proviso that R.sup.1 and R.sup.3 are not simultaneously NO.sub.2, CO.sub.2 (C.sub.1 -C.sub.4)alkyl, or CON(C.sub.1 -C.sub.4)alkyl.sub.2 ;
- or an agriculturally acceptable salt thereof.
- 30. A method according to claim 29 wherein the crop is cotton.
- 31. A method according to claim 29 wherein the crop is wheat.
- 32. A method according to claim 29 wherein the compound is applied postemergently.
Parent Case Info
This is a division of application Ser. No. 183,570, filed Apr. 19, 1988, now U.S. Pat. No. 4,904,301.
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Divisions (1)
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Number |
Date |
Country |
Parent |
183570 |
Apr 1988 |
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