Claims
- 1. A compound of formula I ##STR349## wherein R is a carboxyl group which may be in the form of the free acid or in ester or salt form, a thiocarboxyl group which may be in the form of the free acid or in ester form, a carbamoyl group or a mono- or di- substituted carbamoyl group,
- Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, hydroxy, alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylsulfonyloxy, dialkylsulfamoyloxy, alkylsulfonyl, alkylsulfinyl, dialkylcarbamoyloxy, alkylthio, alkenylthio or alkynylthio each of which may in turn be substituted by 1 to 6 halogen atoms; dialkoxymethyl, conjugated alkoxy, hydroxyalkyl, carboxyl, acyl, acylalkyl, acyloxy, acyloxyalkyl, trialkylsilyloxy, trialkylsilyl, cyano, nitro, amino or substituted amino, aminosulfonyl; cycloalkyl, aryl, aralkyl, aralkenyl, aralkynyl, aryloxy, aralkoxy, arylsulfonyl, arylsulfinyl, arylthio or aralkylthio, each of which may be substituted by one to three substituents selected from halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, cyano, alkylthio, acyl, amino or substituted amino; a group ##STR350## wherein R' is hydrogen, lower alkyl, or lower alkoxy; or Y.sub.1 and R taken together on adjacent carbon atoms form a bridge having the formula ##STR351## wherein E is a 1 to 3 membered linking group with elements selected from methylene, substituted methylene, ##STR352## and oxygen, and each R.sub.2 is independently hydrogen, hydroxy, alkyl, haloalkyl, alkoxy, alkoxyalkyl, aralkoxy, or aryl or aralkyl, each of which is unsubstituted or may be substituted by 1 to 3 substituents selected from halogen; alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkoxy, alkenyloxy, alkynyloxy, alkylsulfonyl, alkylsulfinyl, alkylthio, alkenylthio or alkynylthio, nitro, cyano, acyl, amino;
- or Y.sub.1 and Y.sub.2 taken together on adjacent carbon atoms form a 3- to 5-membered bridge comprised of elements selected from methylene, substituted methylene, ##STR353## R.sub.1, R.sub.3, and R'.sub.3 each is independently hydrogen; halogen; alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, alkenylthio or alkynylthio, each of which may in turn be substituted by 1 to 6 halogen atoms; cycloalkyl, heterocycloalkoxy, aryloxy, aralkoxy or aralkylthio each of which may be substituted by 1 to 3 substituents selected from halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, cyano, alkylthio, acyl, amino or substituted amino; aminoxy; substituted aminoxy; iminoxy; substituted iminoxy; amino; substituted amino; amido; substituted amido; alkylsulfonylmethyl; cyano; nitro; or ##STR354## wherein Y.sub.4 is hydrogen, lower alkyl, lower alkoxy, hydroxy or unsubstituted or substituted phenyl;
- R.sub.4 is as deemed for Y.sub.1 except for hydrogen;
- X and Y taken together represent .dbd.O; or
- X and R taken together may form the bridge, ##STR355## wherein the carbonyl is attached to the phenyl ring, and Y is hydroxy, halogen, cyano, acyloxy, amino, substituted amino, alkoxycarbonyloxy, alkylsulfonyloxy, or carbamoyloxy.
- 2. A compound according to claim 1 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, hydroxy, alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylsulfonyloxy, dialkylsulfamoyloxy, alkylsulfonyl, alkylsulfinyl, dialkylarbamoyloxy, alkylthio, alkenylthio or alkynylthio each of which may in turn be substituted by 1 to 6 halogen atoms; dialkoxymethyl, conjugated alkoxy, hydroxyalkyl, acyl, acyloxy, trialkylsilyloxy, trialkylsilyl, cyano, nitro, amino or substituted amino, aryl, aralkyl, aryloxy, aralkoxy, arylsulfonyl, arylsulfinyl, arylthio or aralkylthio, each of which may be substituted by one to three substituents selected from halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, cyano, alkylthio, acyl, amino or substituted amino; a group ##STR356## wherein R' is hydrogen, lower alkyl, or lower alkoxy; or Y.sub.1 and R taken together on adjacent carbon atoms form a bridge having the formula ##STR357## wherein E is a 1 to 3 membered linking group with elements selected from methylene, substituted methylene, ##STR358## and oxygen and each R.sub.2 is independently hydrogen, alkyl, haloalkyl, alkoxyalkyl or aryl or aralkyl, each of which is unsubstituted or may be substituted by 1 to 3 substituents selected from halogen, alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkoxy, alkenyloxy, alkynyloxy, alkylsulfonyl, alkylsulfinyl, alkylthio, alkenylthio, alkynylthio, nitro, cyano, acyl, amino or substituted amino; or Y.sub.1 and Y.sub.2 taken together on adjacent carbon atoms form a 3- to 5-membered bridge comprised of elements selected from methylene, substituted methylene, ##STR359##
- 3. A compound according to claim 2 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkyl sulfonyloxy, dialkylsulfamoyloxy, alkylsulfonyl, alkylsulfinyl, dialkylcarbamoyloxy, alkylthio, alkenylthio or alkynylthio each of which may in turn be substituted by 1 to 6 halogen atoms; dialkoxymethyl, alkoxyalkoxy, hydroxyalkyl, acyl, acyloxy, trialkylsilyloxy, trialkylsilyl, cyano, nitro, amino or substituted amino, aryl, aralkyl, aryloxy, aralkoxy, arylsulfonyl, arylsulfinyl, arylthio or aralkylthio, each of which may be substituted by one to three substituents selected from halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, cyano, alkylthio, acyl, amino or substituted amino; a group ##STR360## wherein R' is hydrogen, lower alkyl, or lower alkoxy; or Y.sub.1 and Y.sub.2 taken together on adjacent carbon atoms form a 3- to 5-membered bridge comprised of elements selected from methylene, substituted methylene, ##STR361## Y.sub.4 is hydrogen, lower alkyl, lower alkoxy or hydroxy; R.sub.4 is as deemed for Y.sub.1 except for hydrogen;
- X and Y taken together represent .dbd.O; or
- X and R taken together may form the bridge, ##STR362## wherein the carbonyl is attached to the phenyl ring, and Y is hydroxy, halogen, cyano, acyloxy, amino, substituted amino.
- 4. A compound according to claim 1 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl or alkoxy; R.sub.1, R.sub.3 and R.sub.3 ' are independently hydrogen, halogen, alkyl, alkoxy, aryloxy, or aralkoxy.
- 5. A compound according to claim 2 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl or alkoxy; R.sub.1, R.sub.3 and R.sub.3 ' are independently hydrogen, halogen, alkyl, alkoxy, aryloxy, or aralkoxy.
- 6. A compound according to claim 3 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl or alkoxy; R.sub.1, R.sub.3 and R.sub.3 ' are independently hydrogen, halogen, alkyl, alkoxy, aryloxy, or aralkoxy.
- 7. A compound according to claim 1 wherein R represents carboxyl in the form of the free acid or in ester or salt form; substituted carbamoyl or, together with X represents ##STR363## Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl, alkoxy, alkylthio or arylthio;
- and R.sub.1 and R.sub.3 are independently halogen, alkyl, alkoxy, haloalkoxy, optionally substituted aryloxy, aralkoxy, alkynyloxy or alkenyloxy.
- 8. A compound according to claim 2 wherein R represents carboxyl in the form of the free acid or in ester or salt form; substituted carbamoyl or, together with X represents ##STR364## Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl, alkoxy, alkylthio or arylthio;
- and R.sub.1 and R.sub.3 are independently halogen, alkyl, alkoxy, haloalkoxy, optionally substituted aryloxy, aralkoxy, alkynyloxy or alkenyloxy.
- 9. A compound according to claim 3 wherein R represents carboxyl in the form of the free acid or in ester or salt form; substituted carbamoyl or, together with X represents ##STR365## Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen, halogen, alkyl, alkoxy, alkylthio, or arylthio
- and R.sub.1 and R.sub.3 are independently halogen, alkyl, alkoxy, haloalkoxy, optionally substituted aryloxy, aralkoxy, alkynyloxy or alkenyloxy.
- 10. A compound according to claim 1 wherein R is a carbamoyl group or a mono- or di-substituted carbamoyl group.
- 11. A compound according to claim 2 wherein R is a carbamoyl group or a mono- or di-substituted carbamoyl group.
- 12. A compound according to claim 3 wherein R is a carbamoyl group or a mono- or di-substituted carbamoyl group.
- 13. A compound according to claim 1 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are selected from the following meanings
- a) independently hydrogen or halogen
- b) Y.sub.1 and Y.sub.2 independently halogen and Y.sub.3 hydrogen
- c) Y.sub.1 ortho to R as chlorine or fluorine, Y.sub.2 ortho to the bridge as hydrogen, chlorine or fluorine, Y.sub.3 hydrogen
- d) Y.sub.1 ortho to R as chlorine, Y.sub.2 ortho to the bridge as hydrogen, chlorine or fluorine, Y.sub.3 hydrogen.
- 14. A compound according to claim 3 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are selected from the following meanings
- a) independently hydrogen or halogen
- b) Y.sub.1 and Y.sub.2 independently halogen and Y.sub.3 hydrogen
- c) Y.sub.1 ortho to R as chlorine or fluorine, Y.sub.2 ortho to the bridge as hydrogen, chlorine or fluorine, Y.sub.3 hydrogen
- d) Y.sub.1 ortho to R as chlorine, Y.sub.2 ortho to the bridge as hydrogen, chlorine or fluorine, Y.sub.3 hydrogen.
- 15. A compound according to claim 3 wherein Y.sub.1, Y.sub.2 and Y.sub.3 are selected from the following meanings
- a) independently hydrogen or halogen
- b) Y.sub.1 and Y.sub.2 independently halogen and Y.sub.3 hydrogen
- c) Y.sub.1 ortho to R as chlorine or fluorine, Y.sub.2 ortho to the bridge as hydrogen, chlorine or fluorine, Y.sub.3 hydrogen
- d) Y.sub.1 ortho to R as chlorine, Y.sub.2 ortho to the bridge as hydrogen, chlorine or fluorine, Y.sub.3 hydrogen.
- 16. A compound according to claim 1 wherein R.sub.3 ' is hydrogen and R.sub.1 and R.sub.3 are selected from the following meanings
- a) independently lower alkoxy
- b) both methoxy.
- 17. A compound according to claim 2 wherein R.sub.3 ' is hydrogen and R.sub.1 and R.sub.3 are selected from the following meanings
- a) independently lower alkoxy
- b) both methoxy.
- 18. A compound according to claim 3 wherein R.sub.3 ' is hydrogen and R.sub.1 and R.sub.3 are selected from the following meanings
- a) independently lower alkoxy
- b) both methoxy.
- 19. A compound according to claim 1 wherein R is selected from the following meanings
- a) a carboxyl group which may be in the form of the free acid or in ester or salt form
- b) a carboxyl group in salt form.
- 20. A compound according to claim 2 wherein R is selected from the following meanings
- a) a carboxyl group which may be in the form of the free acid or in ester or salt form
- b) a carboxyl group in salt form.
- 21. A compound according to claim 3 wherein R is selected from the following meanings
- a) a carboxyl group which may be in the form of the free acid or in ester or salt form
- b) a carboxyl group in salt form.
- 22. A compound according to claim 1 wherein R is a carboxyl group which may be in the form of the free acid or in ester or salt form;
- Y.sub.1, Y.sub.2 and Y.sub.3 are independently hydrogen or halogen;
- R.sub.1, and R.sub.3 are independently lower alkoxy;
- R.sub.3 ' is hydrogen;
- X and Y together represent .dbd.O or X and R together form the bridge ##STR366## wherein the carbonyl is attached to the phenyl ring and Y is hydroxy, halogen, cyano, acyloxy, amino, substituted amino, alkoxycarbonyloxy, alkylsulfonyloxy or carbamoyloxy.
- 23. A compound according to claim 22 wherein X and Y together represent .dbd.O or X and R together form the bridge ##STR367## wherein the carbonyl is attached to the phenyl ring and Y is hydroxy, halogen, cyano, acyloxy, amino or substituted amino.
- 24. A compound according to claim 11 which is 4,7-dichloro-3-(4,6-dimethoxy-2-pyrimidinyl)-3-hydroxyphthalide.
- 25. A compound according to claim 1 which is 3,6-dichloro-3-[(4,6-dimethoxy-2-pyrimidinyl)carbonyl]benzoic acid isopropylammonium salt.
- 26. A compound according to claim 1 which is 3,6-dichloro-3-[(4,6-dimethoxy-2-pyrimidinyl)carbonyl]benzoic acid sodium salt.
- 27. A compound according to claim 1 which is 4,7-dichloro-3-(4,6-dimethoxy-2-pyrimidinyl)-3-hexanoyloxyphthalide.
- 28. A compound according to claim 1 which is 4,7-dichloro-3-(4,6-dimethoxy-2-pyrimidinyl)-3-butyryloxyphthalide.
- 29. A compound according to claim 11 which is 6-chloro-2-[(4,6-dimethoxy-2-pyrimidinyl)carbonyl]-3-fluorobenzoic acid isopropyl ammonium salt.
- 30. A herbicidal composition comprising a herbicidally effective amount of a compound according to claim 11.
- 31. A herbicidal composition comprising a herbicidally effective amount of a compound according to claim 2.
- 32. A herbicidal composition comprising a herbicidally effective amount of a compound according to claim 3.
- 33. A method of combatting weeds which comprises applying thereto or to a locus thereof an herbicidally effective amount of a compound according to claim 1.
- 34. A method of combatting weeds which comprises applying thereto or to a locus thereof an herbicidally effective amount of a compound according to claim 2.
- 35. A method of combatting weeds which comprises applying thereto or to a locus thereof an herbicidally effective amount of a compound according to claim 3.
Parent Case Info
This is a continuation of application Ser. No. 08/036,006, filed Mar. 23, 1993, now abandoned, which is a continuation-in-part of application Ser. No. 07/804,150, filed Dec. 6, 1991, now abandoned, which is a continuation-in-part of application Ser. No. 07/633,592, filed Dec. 21, 1990, now abandoned, which is a continuation-in-part of application Ser. No. 07/534,794, filed Jun. 7, 1990, now abandoned.
US Referenced Citations (7)
Foreign Referenced Citations (1)
Number |
Date |
Country |
249708 |
Dec 1987 |
EPX |
Continuations (1)
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Number |
Date |
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Parent |
36006 |
Mar 1993 |
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Continuation in Parts (3)
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Number |
Date |
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Parent |
804150 |
Dec 1991 |
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Parent |
633592 |
Dec 1990 |
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Parent |
534794 |
Jun 1990 |
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