Claims
- 1. A compound of the formula ##STR137## wherein Q is --CH.dbd. or --N.dbd.; ##STR138## R.sub.1, R.sub.2 and R.sub.3 are each independently hydrogen or alkyl of 1 to 4 carbon atoms, at least one of R.sub.1, R.sub.2 and R.sub.3 being hydrogen; R.sub.4 and R.sub.5 are each independently alkyl of 1 to 4 carbon atoms or cycloalkyl of 3 to 6 carbon atoms; provided that at least one of them is C.sub.3 -alkyl or C.sub.3 -cycloalkyl; and X and Y are halogen, with the proviso that Q is not --CH.dbd. when A is ##STR139##
- 2. A compound of claim 1 wherein X is chlorine or bromine, and Y is chlorine or bromine.
- 3. The compound of claim 1 which is cyclohexane-5'-spiro-3'-(3,5-dichlorophenyl)-hydantoin.
- 4. A compound of claim 1, where A is ##STR140##
- 5. A compound of claim 1, where A is ##STR141##
- 6. The compound of claim 1 which is 5',5'-diisopropyl-3-[4-(2,6-dichloropyridyl)]-hydantoin.
- 7. An herbicidal composition comprising an herbicidally effective amount of at least one compound of claim 1 and an inert carrier.
- 8. A composition of claim 7 wherein X is chlorine or bromine, and Y is chlorine or bromine.
- 9. A composition of claim 7 wherein the active compound is 2-methyl-cyclohexane-5'-spiro-3'-(3,5-dichlorophenyl)-hydantoin.
- 10. A herbicidal composition of claim 7 wherein the active compound is 5',5'-diisopropyl-3-[4-(2,6-dichloropyridyl)]-hydantoin.
- 11. The method of selectively combatting weeds and wild grass comprising contacting weeds and wild grass with an herbicidally effective amount of at least one compound of claim 1.
- 12. The method of claim 11 wherein X is chlorine or bromine, and Y is chlorine or bromine.
- 13. The method of claim 11 wherein the active compound is 2-methyl-cyclohexane-5'-spiro-3'-(3,5-dichlorophenyl)-hydantoin.
Priority Claims (3)
Number |
Date |
Country |
Kind |
3213140 |
Apr 1982 |
DEX |
|
3238447 |
Oct 1982 |
DEX |
|
3301008 |
Jan 1983 |
DEX |
|
Parent Case Info
This is a continuation of application Ser. No. 157,903 filed Feb. 17, 1988, now abandoned; which is a continuation of application Ser. No. 046,622 filed May 4, 1987, now abandoned; which is a continuation of application Ser. No. 856,825, filed Apr. 28, 1986, now abandoned; which is a continuation of application Ser. No. 774,901 filed Sept. 11, 1985, now abandoned; which is a continuation of application Ser. No. 623,961, filed June 25, 1984, now abandoned; which is a continuation of application Ser. No. 492,946, filed May 9, 1983, now abandoned; which is a continuation-in-part of application Ser. No. 479,709 filed Mar. 28, 1983, now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (5)
Number |
Date |
Country |
1813 |
May 1979 |
EPX |
1032258 |
Jun 1958 |
DEX |
2101605 |
Jul 1971 |
DEX |
55-31098 |
Mar 1980 |
JPX |
0817745 |
Aug 1959 |
GBX |
Continuations (6)
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Number |
Date |
Country |
Parent |
157903 |
Feb 1988 |
|
Parent |
46622 |
May 1987 |
|
Parent |
856825 |
Apr 1986 |
|
Parent |
774901 |
Sep 1985 |
|
Parent |
623961 |
Jun 1984 |
|
Parent |
492946 |
May 1983 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
479709 |
Mar 1983 |
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