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US4376786A Expired / Lapsed US ⏱️ 0.0 years remaining

Combating arthropods with 4-fluoro-3-phenoxy-benzyl 3-alken-1-yl-2,2-dimethyl-cyclopropanecarboxylates

Assignee: Bayer AG
•
Filing: 1982-02-26
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Granted: 1983-03-15
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Expires: 2002-02-26
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Abstract

Abstract 4-Fluoro-3-phenoxy-benzyl 3-alken-1-yl-2,2-dimethylcyclopropanecarboxylates have the general formula ##STR1## wherein R represents alkyl or alkenyl, R 1 represents hydrogen or alkyl, with the proviso that R and R 1 are different, and R 2 represents hydrogen, cyano or alkyl, alkenyl or alkynyl having in each case up to 4 carbon atoms, are obtained if 3-alken-1-yl-2,2-dimethyl-cyclopropanecarboxylic acids of the general formula ##STR2## wherein R and R 1 have the meaning given above, or reactive derivatives of these acids, are reacted with 4-fluoro-3-phenoxy-benzyl alcohols of the general formula ##STR3## wherein R 2 has the meaning given above, or with reactive derivatives of these alcohols, if appropriate in the presence of an acid acceptor and/or catalyst, and if appropriate using a diluent. The compounds of the formula (I) have a high pesticidal activity, especially against insects or acarids.

Inventors

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

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 08:57
CPC Classifications
C; C07; C07C; C07C61/00; C07C61/16; C07C61/35; A; A01; A01N; A01N53/00

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 40 words
A 4-fluoro-3-phenoxy-benzyl 3-alken-1-yl-2,2-dimethyl-cyclopropanecarboxylate of the formula ##STR19## wherein R is alkyl or alkenyl, R 1 is hydrogen or alkyl different from R, and R 2 is hydrogen, cyano, or alkyl, alkenyl or alkynyl each having up to 4 carbon atoms.
Claim 2
Dependent Claim 40 words
A 4-fluoro-3-phenoxy-benzyl 3-alken-1-yl-2,2-dimethyl-cyclopropanecarboxylate of the formula ##STR19## wherein R is alkyl or alkenyl, R 1 is hydrogen or alkyl different from R, and R 2 is hydrogen, cyano, or alkyl, alkenyl or alkynyl each having up to 4 carbon atoms.
Claim 3
Dependent Claim 39 words
A compound according to claim 1, wherein R is C 1 -C 25 -alkyl or C 2 -C 16 -alkenyl, R 1 is hydrogen, may be methyl when R is not methyl, and R 2 is hydrogen or cyano.
Claim 4
Dependent Claim 20 words
A compound according to claim 2, wherein R is C 1 -C 15 -alkyl or C 2 -C 4 -alkenyl.
Claim 5
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 6
Dependent Claim 21 words
A composition according to claim 4, characterized in that it contains from 0.1 to 95% of the active compound, by weight.
Claim 7
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.

References Cited (Backward Citations)

US3666789A Cited
US4218469A Cited
DE2709264C3 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1986-03-14 1986-09-13 1987-03-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-03-14 1990-09-13 1991-03-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-03-14 1994-09-13 1995-03-15 $7700.00 Window Closed / Lapsed

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