← Back to Patent Explorer
US4013657A Expired / Lapsed US ⏱️ 0.0 years remaining

O-ethyl-S-n-propyl-O-[pyridaz-(6)-on-(3)-yl]-thionothiolphosphoric acid esters

Assignee: Bayer AG
•
Filing: 1974-08-16
•
Granted: 1977-03-22
•
Expires: 1994-08-16
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract O-ethyl-S-n-propyl-O-[pyridaz-(6)-on-(3)-yl]-thionothiolphosphoric acid esters of the formula ##SPC1## In which R 1 is hydrogen, alkyl, substituted alkyl, alkenyl, alkynyl, aryl, substituted aryl, a five- or six-membered heterocyclic radical, or a five- or six-membered heterocyclic radical bonded to the nitrogen via a methyl group, and R 2 and R 3 each independently is hydrogen or alkyl, or together are (CH) 4 forming a fused benzene ring with the adjoining carbon atoms Which possess insecticidal and acaricidal properties.

Inventors

  • 👤 Wolfgang Hofer
  • 👤 Fritz Maurer
  • 👤 Hans-Jochem Riebel
  • 👤 Lothar Rohe
  • 👤 Ingeborg Hammann
  • 👤 Wilhelm Stendel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 13:29
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/16; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6509; C07F9/650905

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 141 words
An O-ethyl-S-n-propyl-O-[pyridaz-(6)-on-(3)-yl]-thiono-thiolphosphoric acid ester of the formula ##SPC9## in which R 1 is hydrogen, alkyl with 1 to 6 carbon atoms, or alkyl with 1 to 6 carbon atoms carrying a substituent selected from nitrile, halogen, alkoxycarbonyl, alkylcarbonyl, alkoxy and alkylthio, in each case with 1 to 4 carbon atoms in the alkyl moiety; methyl substituted by pyrrolidine, piperidine or thiophene-1,1-dioxide; alkenyl or alkynyl with 2 to 6 carbon atoms; phenyl or phenyl carrying one substituent selected from halogen, alkyl with 1 to 4 carbon atoms, nitro, nitrile, alkoxy and alkylthio, each with 1 or 2 carbon atoms and 2 to 5 halogen atoms; pyrrolidine, piperidine or thiophene-1,1-dioxide, and R 2 and R 3 each independently is hydrogen or alkyl with 1 to 4 carbon atoms, or together are (CH) 4 forming a fused benzene ring with the adjoining carbon atoms.
Claim 2
Dependent Claim 141 words
An O-ethyl-S-n-propyl-O-[pyridaz-(6)-on-(3)-yl]-thiono-thiolphosphoric acid ester of the formula ##SPC9## in which R 1 is hydrogen, alkyl with 1 to 6 carbon atoms, or alkyl with 1 to 6 carbon atoms carrying a substituent selected from nitrile, halogen, alkoxycarbonyl, alkylcarbonyl, alkoxy and alkylthio, in each case with 1 to 4 carbon atoms in the alkyl moiety; methyl substituted by pyrrolidine, piperidine or thiophene-1,1-dioxide; alkenyl or alkynyl with 2 to 6 carbon atoms; phenyl or phenyl carrying one substituent selected from halogen, alkyl with 1 to 4 carbon atoms, nitro, nitrile, alkoxy and alkylthio, each with 1 or 2 carbon atoms and 2 to 5 halogen atoms; pyrrolidine, piperidine or thiophene-1,1-dioxide, and R 2 and R 3 each independently is hydrogen or alkyl with 1 to 4 carbon atoms, or together are (CH) 4 forming a fused benzene ring with the adjoining carbon atoms.
Claim 3
Dependent Claim 23 words
The compound according to claim 1 wherein such compound is at least one of O-ethyl-S-n-propyl-O-[1-methyl-4- and 5-methyl-pyridaz-(6)-on-(3)-yl]-thionothiolphosphoric acid esters of the formulas ##SPC10##
Claim 4
Dependent Claim 17 words
The compound according to claim 1 wherein such compound is O-ethyl-S-n-propyl-O-[1-ethoxycarbonylmethyl-pyridaz-(6)-on-(3)-yl]-thionothiolphosphoric acid ester of the formula ##SPC11##
Claim 5
Dependent Claim 23 words
The compound according to claim 1 wherein such compound is at least one of O-ethyl-S-n-propyl-O-[1-β-cyanoethyl-4- and 5-methyl-pyridaz-(6)-on-(3)-yl]-thionothiolphosphoric acid esters of the formulas ##SPC12##
Claim 6
Dependent Claim 17 words
The compound according to claim 1 wherein such compound is O-ethyl-S-n-propyl-O-[1-phenyl-pyridaz-(6)-on-(3)-yl]-thionothiolphosphoric acid ester of the formula ##SPC13##
Claim 7
Dependent Claim 17 words
The compound according to claim 1 wherein such compound is O-ethyl-S-n-propyl-O-[phthalaz-(8)-on-(3)-yl]-thionothiolphosphoric acid ester of the formula ##SPC14##

References Cited (Backward Citations)

US2759937A Cited
US2759938A Cited
US3310560A Cited
US3547920A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-03-21 1980-09-20 1981-03-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-03-21 1984-09-20 1985-03-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-03-21 1988-09-20 1989-03-22 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag