Phenylacetic acid derivatives
Abstract
Abstract A compound of the formula, WHEREIN R1 is a C1-6 alkyl, a C2-6 alkenyl, a C3-6 alkynyl, a C3-6 cycloalkyl, benzyl, thienyl or a group of (R4 is hydrogen, halogen, a C1-4 alkyl or methylenedioxy, and n is an integer of 1 to 5), R2 is a C1-6 alkyl, a C3-6 alkenyl or a C3-6 alkynyl, R3 is a C1-6 alkyl, a C3-6 alkenyl or a C3-6 alkynyl, (provided that R2 is a C3-6 alkynyl when R3 is a C1-6 alkyl), and A is a group of -COOR3 or -CH2OR3, provided that R1 is a C1-6 alkyl, a C2-6 alkenyl, a C3-6 alkynyl, a C3-6 cycloalkyl or benzyl when A is a group of -CH2OR3 (R3 is as defined above), and R3 is a C4-6 alkenyl or a C4-6 alkynyl when R1 is a group of (R4 and n are as defined above) and A is a group of -COOR3, which is useful as synergist for insecticides, especially for a cyclopropane-carboxylate or a carbamate type insecticide.
Inventors
- 👤 Shigeyoshi Kitamura
- 👤 Yositosi Okuno
- 👤 Masachika Hirano
Bibliographic Details
Claims Analysis
Total Claims: 4References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-20 | 1980-01-19 | 1980-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-20 | 1984-01-19 | 1984-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-20 | 1988-01-19 | 1988-07-20 | $7700.00 | Window Closed / Lapsed |