Claims
- 1. A method of inhibiting the growth of weeds in an area infested therewith comprising applying to said area, optionally with an agriculturally acceptable carrier, a herbicidally effective amount of a thiadiazole derivative represented by the formula [I] ##STR119## [wherein Y represents oxygen or sulfur; X represents hydrogen, halogen, lower alkyl, lower haloalkyl, lower alkoxy, hydroxy or nitro; V and Z, the same or different, represent halogen, lower alkyl, lower haloalkyl, lower alkoxy, hydroxy or nitro; A represents hydrogen, lower alkyl, lower alkenyl, lower alkynyl, alkoxyalkyl which may be substituted with alkoxy, alkylthioalkyl, --SO.sub.2 R.sup.1 (wherein R.sup.1 represents lower alkyl which may be substituted with halogen, phenyl which may be substituted with lower alkyl, or amino which is substituted with lower alkyl), ##STR120## (wherein n represents 0 or 1, B represents CH or nitrogen, R.sup.2 and R.sup.3 the same or different represent hydrogen, halogen, lower alkoxy, nitro or lower alkyl which may be substituted with halogen), --SiR.sup.4 R.sup.5 R.sup.6 (wherein R.sup.4, R.sup.5 and R.sup.6, the same or different represent lower alkyl), --CHR.sup.7 COR.sup.8 (wherein R.sup.7 represents hydrogen or lower alkyl, R.sup.8 represents hydroxy or amino which may be substituted with lower alkyl and/or with phenyl), --C(.dbd.W)OR.sup.9 (wherein W represents oxygen or sulfur, R.sup.9 represents alkyl which may be substituted with halogen; alkoxyalkyl, benzyl, phenyl, tetrahydrofurfuryl or alkylideneamino), --COR.sup.10 (wherein R.sup.10 represents lower alkyl; cycloalkyl; or phenyl which may be substituted with halogen, lower alkyl, lower haloalkyl, lower alkoxy, nitro or with cyano; --C(.dbd.W)NR.sup.11 R.sup.12 (wherein W represents oxygen or sulfur, R.sup.11 and R.sup.12, the same or different, represent hydrogen, lower alkyl, cycloalkyl, lower alkoxy, alkoxyalkyl, phenyl which may be substituted with alkoxy, ##STR121## (wherein R.sup.13 and R.sup.14, the same or different represent hydrogen, halogen, lower alkyl or lower alkoxy)), or R.sup.11 and R.sup.12 cooperatively form ##STR122## (wherein E.sup.1 represents --CH.sub.2 -- or oxygen, m represents 0 or 1, R.sup.15 and R.sup.16, the same or different represent hydrogen or lower alkyl)].
- 2. The thiadiazole derivative represented by the formula [I]: ##STR123## where Y represents oxygen or sulfur; X represents hydrogen, halogen, lower alkyl, lower haloalkyl, lower alkoxy, hydroxy or nitro; V and Z, the same or different, represent halogen, lower alkyl, lower haloalkyl, lower alkoxy, hydroxy or nitro; A represents hydrogen, lower alkyl, lower alkenyl, lower alkynyl, alkoxyalkyl which may be substituted with alkoxy, alkylthioalkyl, --SO.sub.2 R.sup.1 where R.sup.1 represents lower alkyl which may be substituted with halogen, phenyl, or phenyl substituted with lower alkyl, ##STR124## where R.sup.2 and R.sup.3, the same or different, represent halogen or lower alkyl which may be substituted with halogen, --SiR.sup.4 R.sup.5 R.sup.6 where R.sup.4, R.sup.5 and R.sup.6, the same or different, each represent lower alkyl, --CHR.sup.7 COOH where R.sup.7 represents hydrogen or lower alkyl, --COOR.sup.9 where R.sup.9 represents alkyl or alkyl substituted with halogen; alkoxyalkyl, benzyl, phenyl, tetrahydrofurfuryl or alkylideneamino, or --C(.dbd.W)NR.sup.11 R.sup.12 where W represents oxygen or sulfur, R.sup.11 and R.sup.12, the same or different represent hydrogen, lower alkyl, cycloalkyl, lower alkoxy, alkoxyalkyl, phenyl which may be substituted with alkoxy, ##STR125## where R.sup.13 and R.sup.14, the same or different represent hydrogen, halogen, lower alkyl or lower alkoxy, or R.sup.11 and R.sup.12 cooperatively form ##STR126## where E.sup.1 represents --CH.sub.2 --, m represents 0 or 1, R.sup.15 and R.sup.16, the same or different, represent hydrogen or lower alkyl.
- 3. A thiadiazole derivative of the formula: ##STR127## (wherein X, V and Z, which may be the same or different, each represent hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy or nitro, with the proviso that two or three of them cannot simultaneously be hydrogen, and A represents --SO.sub.2 R.sup.1 (wherein R.sup.1 represents C.sub.1 -C.sub.4 alkyl which may be substituted with halogen, phenyl which may be substituted with C.sub.1 -C.sub.4 alkyl, or amino which is substituted with C.sub.1 -C.sub.4 alkyl), --SiR.sup.4 R.sup.5, R.sup.6 (wherein R.sup.4, R.sup.5, and R.sup.6, which may be the same or different, represent C.sub.1 -C.sub.4 alkyl);--C(.dbd.W)OR.sup.9 (wherein W represents oxygen or sulfur, R.sup.9 represents C.sub.1 -C.sub.4 alkyl which may be substituted with halogen; (C.sub.1 -C.sub.4)alkoxy (C.sub.1 -C.sub.4)alkyl, benzyl, phenyl, tetrahydrofurfuryl or C.sub.3 -C.sub.9 alkylideneamino); --COR.sup.10 (wherein R.sup.10 represents C.sub.1 -C.sub.4 alkyl; C.sub.3 -C.sub.6 cycloalkyl; or phenyl which may be substituted with halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, nitro or with cyano).
- 4. The thiadiazole derivative of claim 3, wherein A represents the formula: ##STR128## (wherein n represents 0 or 1, B represents CH or nitrogen, R.sup.2 and R.sup.3, which may be the same or different, represent hydrogen, halogen C.sub.1 -C.sub.4 alkoxy, nitro or lower alkyl which may be substituted with halogen).
- 5. The thiadiazole derivative of claim 3, wherein A represents --CHR.sup.7 COR.sup.8 (wherein R.sup.7 represents hydrogen or C.sub.1 -C.sub.4 alkyl, R.sub.8 represents amino which may be substituted with C.sub.1 -C.sub.4 alkyl with phenyl or both.
- 6. The thiadiazole derivative of claim 3, wherein A represents --C(.dbd.W)NR.sup.11 R.sup.12 (wherein W represents oxygen or sulfur, R.sup.11 and R.sup.12 which may be the same or different, represent hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl, phenyl which may be substituted with C.sub.1 -C.sub.4 alkoxy, ##STR129## (wherein R.sup.13 and R.sup.14, the same or different represent C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy)), or R.sup.11 and R.sup.12 together form ##STR130## (wherein E.sup.1 represents --CH.sub.2 -- or oxygen, m represents 0 or 1, R.sup.15 and R.sup.16, which may be the same or different, represent hydrogen or C.sub.1 -C.sub.4 alkyl)).
- 7. The thiadiazole derivative according to claim 3, wherein A is (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl which may be substituted with C.sub.1 -C.sub.4 alkoxy, or (C.sub.1 -C.sub.4 alkyl thio )(C.sub.1 -C.sub.4) alkyl.
- 8. A thiadiazole derivative of the formula: ##STR131## (wherein X, V and Z, the same or different, represent hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy or nitro, with the proviso that two or three of X, V and Z cannot be hydrogen simultaneously; A represents hydrogen (C.sub.1 -C.sub.4)alkoxy(C.sub.1 -C.sub.4)alkyl which may be substituted with C.sub.1 -C.sub.4 alkoxy, (C.sub.1 -C.sub.4)alkyl thio(C.sub.1 -C.sub.4)alkyl, ##STR132## (wherein n represents 0 or 1, B represents CH or nitrogen, R.sup.2 and R.sup.3, which may be the same or different, represent hydrogen, halogen, C.sub.1 -C.sub.4 alkoxy, nitro or lower alkyl which may be substituted with halogen), --C(.dbd.W)NR.sup.11 R.sup.12 (wherein W represents oxygen or sulfur, R.sup.11 and R.sup.12, the same or different, represent hydrogen C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, (C.sub.1 -C.sub.4)alkoxy(C.sub.1 C.sub.4)alkyl, phenyl which may be substituted with C.sub.1 -C.sub.4 alkoxy), ##STR133## (wherein R.sup.13 and R.sup.14 which may be the same or different, represent C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy), or R.sup.11 and R.sup.12 together form ##STR134## (wherein E.sup.1 represents --CH.sub.2 -- or oxygen, m represents 0 or 1, R.sup.15 and R.sup.16, which may be the same or different, represent hydrogen or C.sub.1 -C.sub.4 alkyl).
- 9. The thiadiazole derivative according to claim 8, wherein A represents hydrogen or --C(.dbd.W)NR.sup.11 R.sup.12 (wherein W represents oxygen or sulfur, R.sup.11 and R.sup.12, the same or different, represent hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, C.sub.1 -C.sub.4 alkoxy, (C.sub.1 -C.sub.4) alkoxy(C.sub.1 -C.sub.4)alkyl, phenyl which may be substituted with C.sub.1 -C.sub.4 alkoxy), ##STR135## (wherein R.sup.13 and R.sup.14 which may be the same or different, represent C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy), or R.sup.11 and R.sup.12 together form ##STR136## (wherein E.sup.1 represents --CH.sub.2 -- or oxygen, m represents 0 or 1, R.sup.15 and R.sup.16, which may be the same or different, represent hydrogen or C.sub.1 -C.sub.4 alkyl).
- 10. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 3 in an agriculturally acceptable carrier.
- 11. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 4 in an agriculturally acceptable carrier.
- 12. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 6 in an agriculturally acceptable carrier.
- 13. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 7 in an agriculturally acceptable carrier.
- 14. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 8 in an agriculturally acceptable carrier.
- 15. A herbicidal composition comprising a herbicidally effective amount of a compound of claim 9 in an agriculturally acceptable carrier.
- 16. A method of inhibiting the growth of weeds in an area infested therewith comprising applying to said area a herbicidally effective amount of the compound according to claim 3 optionally in an agriculturally acceptable carrier.
- 17. A method of inhibiting the growth of weeds in an area infested therewith comprising applying to said area a herbicidally effective amount of the compound according to claim 6 optionally in an agriculturally acceptable carrier.
Priority Claims (4)
Number |
Date |
Country |
Kind |
1-215489 |
Aug 1989 |
JPX |
|
1-279725 |
Oct 1989 |
JPX |
|
1-302258 |
Nov 1989 |
JPX |
|
1-332875 |
Dec 1989 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 07/633,348, filed Dec. 27, 1990, now abandoned, which is a continuation-in-part of application Ser. No. 570,638, filed Aug. 22, 1990, now abandoned.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4555521 |
Engel |
Nov 1985 |
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Foreign Referenced Citations (7)
Number |
Date |
Country |
0019742 |
Dec 1980 |
EPX |
19742 |
Dec 1980 |
EPX |
1925956A1 |
Nov 1969 |
DEX |
1925956B2 |
Nov 1969 |
DEX |
1925956 |
Nov 1969 |
DEX |
3822371A1 |
Feb 1990 |
DEX |
3822371 |
Feb 1990 |
DEX |
Non-Patent Literature Citations (1)
Entry |
Chemical Abstracts, vol. 94, No. 5, p. 1, Dec. 1981 Pharmacodynamics. |
Continuations (1)
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Number |
Date |
Country |
Parent |
633348 |
Dec 1990 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
570638 |
Aug 1990 |
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