Claims
- 1. Compound of the formula
- or an optical isomer or a salt thereof, wherein one of R.sub.1 or R.sub.2 represents methyl and the other represents hydrogen or lower alkoxycarbonyl.
- 2. Compound of the formula ##STR12## or an optical isomer or a salt thereof, wherein R.sub.1 is methyl and R.sub.2 is ethoxycarbonyl.
- 3. Compound of the formula ##STR13## or an optical isomer or a salt thereof, wherein R.sub.1 is methyl and R.sub.2 is hydrogen.
- 4. Herbicidal composition comprising a herbicidally effective amount of a compound of the formula ##STR14## or an optical isomer or a salt thereof, wherein one of R.sub.1 or R.sub.2 represents methyl and the other represents hydrogen or lower alkoxycarbonyl.
- 5. Herbicidal composition comprising a herbicidally effective amount of a compound of the formula ##STR15## or an optical isomer or a salt thereof, wherein R.sub.1 is methyl and R.sub.2 is ethoxycarbonyl, and an inert carrier therefor.
- 6. Herbicidal composition comprising a herbicidally effective amount of a compound of the formula ##STR16## or an optical isomer or a salt thereof, wherein R.sub.1 is methyl and R.sub.2 is hydrogen, and an inert carrier therefor.
- 7. Method of controlling weed pests which comprises adding to the habitat thereof a herbicidally effective amount of the composition according to claim 4.
- 8. Compound 3-(3-methoxy-2-methyl-4-methylsulfonylbenzoyl)-trans-5-ethoxycarbonyl-cis-5-methyl-cis-bicyclo[4,1,0]heptane-2,4-dione.
- 9. Compound 3-(3-methoxy-2-methyl-4-methylsulfonylbenzoyl)-cis-5-methyl-cis-bicyclo[4,1,0]heptane-2,4-dione.
- 10. Compound 3-(3-methoxy-2-methyl-4-methylsulfonylbenzoyl)-trans-5-methyl-cis-bicyclo[4,1,0]heptane-2,4-dione.
- 11. Herbicidal composition comprising a herbicidally effective amount of the compound of claim 8 and a herbicidally acceptable carrier.
- 12. Herbicidal composition comprising a herbicidally effective amount of the compound of claim 9 and a herbicidally acceptable carrier.
- 13. Herbicidal composition comprising a herbicidally effective amount of the compound of claim 10 and a herbicidally acceptable carrier.
- 14. Method of controlling weed pests and protecting corn plants which comprises adding to the habitat thereof a herbicidally effective amount of the compound of claim 8 in a herbicidally acceptable carrier.
- 15. Method of controlling weed pests and protecting corn plants which comprises adding to the habitat thereof a herbicidally effective amount of the compound of claim 9 in a herbicidally acceptable carrier.
- 16. Method of controlling weed pests and protecting corn plants which comprises adding to the habitat thereof a herbicidally effective amount of the compound of claim 10 in a herbicidally acceptable carrier.
Priority Claims (2)
Number |
Date |
Country |
Kind |
3-159689 |
Jun 1991 |
JPX |
|
3-193595 |
Jul 1991 |
JPX |
|
Parent Case Info
This is a continuation-in-part of copending application Ser. No. 07/651,266 filed on Jun. 29, 1990, now U.S. Pat. No. 5,228,898.
US Referenced Citations (7)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
651266 |
Jun 1990 |
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