US4157447A
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US
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Intermediates for insecticidal (β-phenyl-β-substituted-vinyl)cyclopropanecarboxylates
Assignee: FMC Corp
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Filing: 1978-02-21
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Granted: 1979-06-05
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Expires: 1998-02-21
Abstract
Abstract Intermediates for insecticidal (β-phenyl-β-substituted-vinyl)cyclopropanecarboxylates in which the β-substituent may be halogen, lower alkyl, lower haloalkyl, cyano, carbomethoxy, or carbethoxy are described and exemplified.
Inventors
- 👤 John F. Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:20
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42; A; A01; A01N; A01N53/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
88 words
A compound of the formula: ##STR3## in which X is halogen, cyano, nitro, aryl, aralkyl, aryloxy, arylthio, alkyl of C 1 -C 4 , alkoxy of C 1 -C 4 , alkylthio of C 1 -C 4 , haloalkyl of C 1 -C 2 , dialkylamino in which alkyls are C 1 -C 2 , or methylenedioxy; Y is halogen, or haloalkyl of 1 to 2 carbon atoms; n is 0, 1, 2, or 3; and R is hydrogen or lower alkyl having 1 to 4 carbon atoms.
Claim 2
Dependent Claim
88 words
A compound of the formula: ##STR3## in which X is halogen, cyano, nitro, aryl, aralkyl, aryloxy, arylthio, alkyl of C 1 -C 4 , alkoxy of C 1 -C 4 , alkylthio of C 1 -C 4 , haloalkyl of C 1 -C 2 , dialkylamino in which alkyls are C 1 -C 2 , or methylenedioxy; Y is halogen, or haloalkyl of 1 to 2 carbon atoms; n is 0, 1, 2, or 3; and R is hydrogen or lower alkyl having 1 to 4 carbon atoms.
Claim 3
Dependent Claim
14 words
The compound of claim 1 in which Y is chloro and n is 0.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-06-04 | 1982-12-04 | 1983-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-06-04 | 1986-12-04 | 1987-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-06-04 | 1990-12-04 | 1991-06-05 | $7700.00 | Window Closed / Lapsed |