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US4056628A Expired / Lapsed US ⏱️ 0.0 years remaining

Insecticidal esters of alpha-phenoxy alkanoic acids with substituted benzyl alcohols

Assignee: Novartis Corp
•
Filing: 1976-08-03
•
Granted: 1977-11-01
•
Expires: 1996-08-03
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Abstract

Abstract Novel substituted alpha -aryloxycarboxylic acid esters and their preparation are described. The novel compounds are useful for the control of pests.

Inventors

  • 👤 Pavol Winternitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 21:35
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/37; C07C323/00; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/62; C07D317/64

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 82 words
A substituted α-aryloxycarboxylic acid ester of the formula ##STR13## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 2 and R 1 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and R 5 is ##STR14## in which X is oxygen or sulphur or methylene and Z is hydrogen or fluorine.
Claim 2
Dependent Claim 82 words
A substituted α-aryloxycarboxylic acid ester of the formula ##STR13## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 2 and R 1 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and R 5 is ##STR14## in which X is oxygen or sulphur or methylene and Z is hydrogen or fluorine.
Claim 3
Dependent Claim 68 words
A compound of claim 1 having the formula ##STR15## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkythio, cyano or nitro; or R 1 and R 2 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and Z is hydrogen or fluorine.
Claim 4
Dependent Claim 9 words
A compound of claim 2 wherein Z is fluorine.
Claim 5
Dependent Claim 9 words
A compound of claim 2 wherein Z is hydrogen.
Claim 6
Dependent Claim 68 words
A compound of claim 1 having the formula ##STR16## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 1 and R 2 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and Z is hydrogen or fluorine.
Claim 7
Dependent Claim 9 words
A compound of claim 5 wherein Z is fluorine.
Claim 8
Dependent Claim 9 words
A compound of claim 5 wherein Z is hydrogen.
Claim 9
Dependent Claim 11 words
The compound of claim 4 which is α-(4-tolyloxy)-isovaleric acid 3'-phenoxybenzyl ester.
Claim 10
Dependent Claim 11 words
The compound of claim 4 which is α-(4-chlorophenoxy)-isovaleric acid 3'-phenoxybenzyl ester.
Claim 11
Dependent Claim 11 words
The compound of claim 4 which is α-(4-ethoxyphenoxy)-isovaleric acid 3'-phenoxybenzyl ester.
Claim 12
Dependent Claim 95 words
An insecticidal composition comprising as an essential ingredient an insecticidally effective amount of compound of the formula ##STR17## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 1 and R 2 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and R 5 is ##STR18## in which X is oxygen or sulphur or methylene and Z is hydrogen or fluorine and an inert carrier.
Claim 13
Dependent Claim 95 words
An insecticidal composition comprising as an essential ingredient an insecticidally effective amount of compound of the formula ##STR17## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 1 and R 2 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and R 5 is ##STR18## in which X is oxygen or sulphur or methylene and Z is hydrogen or fluorine and an inert carrier.
Claim 14
Dependent Claim 13 words
The composition of claim 11 wherein said compound is α-(4-tolyloxy)-isovaleric acid 3'-phenoxybenzyl ester.
Claim 15
Independent Claim 93 words
A method of combatting insects which comprises treating the material to be protected with a compound of the formula ##STR19## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 1 and R 2 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and R 5 is ##STR20## in which X is oxygen or sulphur or methylene and Z is hydrogen or fluorine.
Claim 16
Independent Claim 93 words
A method of combatting insects which comprises treating the material to be protected with a compound of the formula ##STR19## wherein R 1 and R 2 are hydrogen, halogen, alkyl containing from 1 to 3 carbon atoms, lower alkoxy, lower alkylthio, cyano or nitro; or R 1 and R 2 together are methylenedioxy; R 3 is hydrogen atom or cyano, lower alkenyl, lower alkynyl or lower alkyl; R 4 is lower alkyl group and R 5 is ##STR20## in which X is oxygen or sulphur or methylene and Z is hydrogen or fluorine.

References Cited (Backward Citations)

US3792082A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-10-31 1981-05-02 1981-11-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-10-31 1985-05-02 1985-11-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-10-31 1989-05-02 1989-11-01 $7700.00 Window Closed / Lapsed

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