3-(5- or 3-Substituted-5- or 3-isoxazolyl)-1-allyl or alkyl-4-substituted-5-substituted or unsubstituted-2-imidazolidinones for controlling weeds
Abstract
Abstract Disclosed are compounds such as 3-[5-(1,1-dimethylethyl)-3-isoxazolyl]-1-methyl-4-hydroxy-2-imidazolid inone; their control of weeds such as johnsongrass; the process of making them; and intermediates for making them, the compounds being represented by a Formula I: <IMAGE> (I) wherein A is <IMAGE> where R is an alkyl of up to six carbon atoms; an alkenyl of up to five carbon atoms; an alkynyl of up to five carbon atoms; a cycloalkyl selected from the group consisting of cyclopropyl, cyclobutyl, cyclopentyl, and cyclohexyl; a haloalkyl of up to six carbon atoms; -R4-O-R5, or -R4-S-R5, where R4 is an alkylene of up to six carbon atoms and R5 is an alkyl of up to six carbon atoms; <IMAGE> where Z is nitro (NO2), chloro (Cl), bromo (Br), fluoro (F), or R5, and n is 0, 1, 2, or 3; R1 is an alkyl of up to three carbon atoms, or allyl; R2 is hydroxy (OH), chloro (Cl) or bromo (Br); and R3 is hydrogen (H), an alkyl of up to four carbon atoms, allyl, or hydroxy (OH).
Inventors
- 👤 Jerome M. Lavanish
Bibliographic Details
Claims Analysis
Total Claims: 5References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-23 | 1985-05-25 | 1985-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-23 | 1989-05-25 | 1989-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-23 | 1993-05-25 | 1993-11-24 | $7700.00 | Window Closed / Lapsed |