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US4178460A
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2-Haloalkyl(oxy-, thio-, sulfinyl-, or sulfonyl)-phenylalkanoic acids
Assignee: Wyeth Holdings LLC
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Filing: 1978-03-20
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Granted: 1979-12-11
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Expires: 1998-03-20
Abstract
Abstract The invention is 2-haloalkyl(oxy-, thio-, sulfinyl-, or sulfonyl)phenylalkanoic acids which are useful intermediates in the preparation of insecticides of m-phenoxybenzyl and α-cyano-m-phenoxybenzyl esters.
Inventors
- 👤 Gerald Berkelhammer
- 👤 Venkataraman Kameswaran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:18
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/36; A01N37/38; A01N47/00; A01N47/02; C; C07; C07C; C07C47/00; C07C47/52; C07C47/575
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
77 words
A compound of the formula: ##STR49## wherein RCF 2 , X, Y and Z are all meta or para to the carbon to the acid group; X is O, S, SO or SO 2 ; Y and Z are each H, Cl, F, Br, NO 2 , CH 3 or OCH 3 ; R is H, F, CHF 2 or CF 3 and R 2 is ethyl, n-propyl, isopropyl, isopropenyl or t-butyl; or the optical isomers thereof.
Claim 2
Dependent Claim
77 words
A compound of the formula: ##STR49## wherein RCF 2 , X, Y and Z are all meta or para to the carbon to the acid group; X is O, S, SO or SO 2 ; Y and Z are each H, Cl, F, Br, NO 2 , CH 3 or OCH 3 ; R is H, F, CHF 2 or CF 3 and R 2 is ethyl, n-propyl, isopropyl, isopropenyl or t-butyl; or the optical isomers thereof.
Claim 3
Dependent Claim
25 words
A compound according to claim 1 wherein X is S or O, R is H or F and R 2 is isopropyl, n-propyl or ethyl.
Claim 4
Dependent Claim
20 words
A compound according to claim 2 where R 2 is isopropyl, X is O and Z and Y are hydrogen.
Claim 5
Dependent Claim
7 words
A compound according to claim 3: ##STR50##
Claim 6
Dependent Claim
5 words
The (+)-isomer of claim 4.
Claim 7
Dependent Claim
7 words
A compound according to claim 3: ##STR51##
Claim 8
Dependent Claim
5 words
The (+)-isomer of claim 6.
Claim 9
Dependent Claim
7 words
A compound according to claim 2: ##STR52##
Claim 10
Dependent Claim
7 words
A compound according to claim 2: ##STR53##
Claim 11
Dependent Claim
7 words
A compound according to claim 2: ##STR54##
Claim 12
Dependent Claim
7 words
A compound according to claim 2: ##STR55##
Claim 13
Dependent Claim
7 words
A compound according to claim 2: ##STR56##
Claim 14
Dependent Claim
7 words
A compound according to claim 2: ##STR57##
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) | 1982-12-10 | 1983-06-11 | 1983-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-10 | 1987-06-11 | 1987-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-10 | 1991-06-11 | 1991-12-11 | $7700.00 | Window Closed / Lapsed |