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US4418073A Expired / Lapsed US ⏱️ 0.0 years remaining

Combating pests with N-acylated N-methyl-carbamic acid O-pyrazol-4-yl esters

Assignee: Bayer AG
•
Filing: 1981-06-08
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Granted: 1983-11-29
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Expires: 2001-06-08
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Abstract

Abstract N-Acylated N-methyl-carbamic acid O-pyrazol-4-yl esters of the formula <IMAGE> in which R represents an optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl or aryl radical, Z represents an acyl radical, l represents 1 or 2, m represents 1 or 2 and n represents zero or 1, which possess pesticidal activity.

Inventors

  • 👤 Fritz Maurer
  • 👤 Ingeborg Hammann
  • 👤 Bernhard Homeyer
  • 👤 Wolfgang Behrenz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 14:43
CPC Classifications
A; A01; A01N; A01N47/00; A01N47/08; A01N47/10; A01N47/18; C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 178 words
An N-acylated N-methyl-carbamic acid 0-pyrazol-4-yl ester of the formula ##STR101## in which R represents C 1 -C 5 -alkyl which is optionally substituted by halogen, cyano, C 1 -C 4 -alkoxy or C 1 -C 4 -alkylthio, or represents C 3 -C 5 alkenyl, C 3 -C 5 -alkynyl or C 3 -C 6 -cycloalkyl, or represents an optionally halogen-substituted phenyl, benzyl or phenylethyl radical, Z represents the radical --S r (O) s R 4 , r represents 1 or 2, s represents zero, 1 or 2, and R 4 represents optionally halogen-substituted C 1 -C 4 -alkyl, C 3 -C 5 -alkenyl, C 3 -C 5 -alkynyl or C 3 -C 6 -cycloalkyl, or represents a phenyl, benzyl or phenylethyl radical which is optionally substituted by halogen, cyano, nitro, trifluoromethyl, C 1 -C 4 -alkyl or C 1 -C 4 -alkoxy, when each of l, m and n represents 1; or Z represents sulfur when l is 1, m is 2 and n is 1; and when n represents zero, l is 2 and m is 1.
Claim 2
Dependent Claim 178 words
An N-acylated N-methyl-carbamic acid 0-pyrazol-4-yl ester of the formula ##STR101## in which R represents C 1 -C 5 -alkyl which is optionally substituted by halogen, cyano, C 1 -C 4 -alkoxy or C 1 -C 4 -alkylthio, or represents C 3 -C 5 alkenyl, C 3 -C 5 -alkynyl or C 3 -C 6 -cycloalkyl, or represents an optionally halogen-substituted phenyl, benzyl or phenylethyl radical, Z represents the radical --S r (O) s R 4 , r represents 1 or 2, s represents zero, 1 or 2, and R 4 represents optionally halogen-substituted C 1 -C 4 -alkyl, C 3 -C 5 -alkenyl, C 3 -C 5 -alkynyl or C 3 -C 6 -cycloalkyl, or represents a phenyl, benzyl or phenylethyl radical which is optionally substituted by halogen, cyano, nitro, trifluoromethyl, C 1 -C 4 -alkyl or C 1 -C 4 -alkoxy, when each of l, m and n represents 1; or Z represents sulfur when l is 1, m is 2 and n is 1; and when n represents zero, l is 2 and m is 1.
Claim 3
Dependent Claim 10 words
A compound according to claim 1 of the formula ##STR102##
Claim 4
Dependent Claim 10 words
A compound according to claim 1 of the formula ##STR103##
Claim 5
Dependent Claim 10 words
A compound according to claim 1 of the formula ##STR104##
Claim 6
Dependent Claim 10 words
A compound according to claim 1 of the formula ##STR105##
Claim 7
Dependent Claim 20 words
A pesticidal composition comprising a pesticidally effective amount of a compound according to claim 1 in admixture with a diluent.
Claim 8
Dependent Claim 26 words
A method of combating pests comprising applying to the pests, or to a habitat thereof, a pesticidally effective amount of a compound according to claim 1.
Claim 9
Dependent Claim 12 words
The method according to claim 7, in which said compound is ##STR106##
Claim 10
Dependent Claim 6 words
A compound of the formula ##STR107##
Claim 11
Dependent Claim 6 words
A compound of the formula ##STR107##
Claim 12
Dependent Claim 20 words
A pesticidal composition comprising a pesticidally effective amount of a compound according to claim 9 in admixture with a diluent.
Claim 13
Dependent Claim 26 words
A method of combating pests comprising applying to the pests, or to a habitat thereof, a pesticidally effective amount of a compound according to claim 9.

References Cited (Backward Citations)

US3857860A Cited
US4181734A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-11-28 1987-05-30 1987-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-11-28 1991-05-30 1991-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-11-28 1995-05-30 1995-11-29 $7700.00 Window Closed / Lapsed

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