US4535086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4,5,6,7-Tetrahydro-4,4,7,7-tetramethylbenzo[b]thien-2-yl or furan-2-yl derivatives
Assignee: F Hoffmann La Roche AG
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Filing: 1983-06-27
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Granted: 1985-08-13
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Expires: 2003-06-27
Abstract
Abstract Heterocyclic compounds of the formula <IMAGE> I wherein X is -CH=CH-, -O- or -S-; R1 is a group Ar-R2 or -CH=CH-C(CH3)=CH-R21; Ar is phenyl, pyridyl, furyl or thienyl; R2 is a group -CO2R3, -C(O)R4, -CH2OR3, lower-alkylsulphonyl or formyl; R21 is a group-CO2R3, -C(O)R4, -CH2OR3 or formyl; R3 is hydrogen or lower-alkyl and R4 is hydrogen, hydroxy, amino, lower alkylamino, di-(lower alkyl(amino or lower-alkyl; at least one ring of the molecule being heterocyclic, salts thereof, processes for their preparation, rodenticidal compositions containing these compounds as the active ingredient and methods of use of the rodenticidal compositions are disclosed.
Inventors
- 👤 Michael Klaus
- 👤 Peter Loeliger
- 👤 Harald Weiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:32
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80; A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/08; A01N43/10; A01N43/12; A01N43/34; A01N43/40; A01N49/00; C07C; C07C29/00; C07C29/36; C07C29/38; C07C29/40; C07C317/00; C07C35/00; C07C35/02; C07C35/08; C07C49/00; C07C49/385; C07C49/403; C07C57/00; C07C57/26; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/68; C07D307/77; C07D307/78; C07D307/79; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/38; C07D333/50; C07D333/52; C07D333/54; C07D333/56; C07D333/60; C07D409/00; C07D409/02; C07D409/06; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/655; C07F9/65515; C07F9/65517; C07F9/6553; C07F9/655345; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
64 words
A compound of the formula ##STR8## wherein X is --O-- or --S--; R 1 is a group Ar--R 2 ; Ar is pyridyl; R 2 is a group --CO 2 R 3 , --C(O)R 4 , --CH 2 OR 3 , lower-alkylsulphonyl or formyl; R 3 is hydrogen or lower-alkyl, and R 4 is hydrogen, hydroxy, amino, lower-alkylamino, di(lower-alkyl)amino or lower-alkyl; and salts thereof.
Claim 2
Dependent Claim
64 words
A compound of the formula ##STR8## wherein X is --O-- or --S--; R 1 is a group Ar--R 2 ; Ar is pyridyl; R 2 is a group --CO 2 R 3 , --C(O)R 4 , --CH 2 OR 3 , lower-alkylsulphonyl or formyl; R 3 is hydrogen or lower-alkyl, and R 4 is hydrogen, hydroxy, amino, lower-alkylamino, di(lower-alkyl)amino or lower-alkyl; and salts thereof.
Claim 3
Dependent Claim
11 words
The compound according to claim 1, wherein R 2 is lower-alkoxycarbonyl.
Claim 4
Dependent Claim
2 words
Ethyl 6-[(E)-2-(4,5,6,7-tetrahydro-4,4,7,7-tetramethylbenzo[b]thien-2-yl)propenyl]nicotinate.
Claim 5
Dependent Claim
2 words
Ethyl 6-[(E)-2-(4,5,6,7-tetrahydro-4,4,7,7-tetramethylbenzo[b]thien-2-yl)propenyl]nicotinate.
Claim 6
Dependent Claim
23 words
A rodenticidal composition which comprises inert carrier material and, as the active ingredient, a rodenticidally effective amount of a compound of claim 1.
Claim 7
Dependent Claim
14 words
The rodenticidal composition according to claim 4 wherein the active ingredient is ethyl 6-[(E)-2-(4,5,6,7-tetrahydro-4,4,7,7-tetramethylbenzo[b]thien-2-yl)propenyl]nicotinate.
Claim 8
Dependent Claim
23 words
A method for eliminating rodents which comprises using an effective amount of a compound of claim 1 in a bait for said rodents.
Claim 9
Dependent Claim
11 words
The method of claim 6 wherein the compound is ethyl 6-[(E)-2-(4,5,6,7-tetrahydro-4,4,7,7-tetramethylbenzo[b]thien-2-yl]nicotinate.
References Cited (Backward Citations)
US4193931A
Cited
US4326055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-12 | 1989-02-11 | 1989-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-12 | 1993-02-11 | 1993-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-12 | 1997-02-11 | 1997-08-13 | $7700.00 | Window Closed / Lapsed |