GB1312671A - Pesticidal o,s-dialkyl s-organo thioalkyl dithiophosphates - Google Patents

Pesticidal o,s-dialkyl s-organo thioalkyl dithiophosphates

Info

Publication number
GB1312671A
GB1312671A GB1114570A GB1114570A GB1312671A GB 1312671 A GB1312671 A GB 1312671A GB 1114570 A GB1114570 A GB 1114570A GB 1114570 A GB1114570 A GB 1114570A GB 1312671 A GB1312671 A GB 1312671A
Authority
GB
United Kingdom
Prior art keywords
radical
alkyl
agent
dialkyl
organo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1114570A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Esso Research and Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxon Research and Engineering Co, Esso Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of GB1312671A publication Critical patent/GB1312671A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/06Phosphorus compounds without P—C bonds
    • C07F9/16Esters of thiophosphoric acids or thiophosphorous acids
    • C07F9/165Esters of thiophosphoric acids
    • C07F9/1651Esters of thiophosphoric acids with hydroxyalkyl compounds with further substituents on alkyl

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Engineering & Computer Science (AREA)
  • Plant Pathology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Agronomy & Crop Science (AREA)

Abstract

1312671 Substituted dithiophosphate esters ESSO RESEARCH & ENG CO 9 March 1970 [1 May 1969] 11145/70 Addition to 1287621 Heading C2P An O,S<SP>1</SP>-dialkyl S-organo-thioalkyl dithiophosphate is obtained by (a) reacting a dithiophosphate ester (R<SP>1</SP>O)(R<SP>1</SP>O)P(S)SR<SP>111</SP>whereinR<SP>1</SP> is alkyl and R<SP>111</SP> is an organothioalkyl radical or an alkenyl radical with a dealkylating agent and (b) reacting the dealkylated compound with an alkylating agent and (c) when R<SP>111</SP> is an alkenyl radical further reacting the product of (b) with an organic thiol R 1 SH, the organo radical and the radical R 1 being an unsubstituted or substituted hydrocarbyl radical. The invention also includes as novel compounds products obtainable as above and having the general formula wherein R<SP>V</SP> is methyl or ethyl, R<SP>VI</SP> is a C 3 or C 4 alkyl group, R<SP>VII</SP> is a C 1 to C 10 substituted or unsubstituted hydrocarbon radical especially C 1 -C 8 alkyl, phenyl or chlorinated phenyl, B is a C 1 -C 4 alkylene radical, and y is 0, 1 or 2 provided that when B is C 1 alkylene, y is 0 and that when B is C 2 alkylene, R<SP>VI</SP> is a primary or secondary C 3 or C 4 alkyl radical. The dealkylating agent used in step (a) is suitably a nitrogen or phosphorus base, a thiolate or an inorganic salt and the alkylating agent in step (b) is suitably an alkyl halide, alkyl sulphonate, dialkyl sulphate, alkyl phosphate or trialkyl phosphite. Several dealkylating and alkylating agents are specified. It is preferred to carry out both steps (a) and (b) in the presence of a polar organic solvent. The products can be readily selectively oxidized to the corresponding sulphoxides or sulphones, e.g. by using chemical oxidants such as peroxides, e.g. aqueous H 2 O 2 , nitric acid, permanganates and bromine. When the alkyl group removed in the dealkylation step is the same as that introduecd by the alkylation step the two steps may be carried out simultaneously by use of an appropriate dehydrocarbylating agent the by-product of dealkylation functioning as the hydrocarbylating agent, the net result being isomerization of the starting O,O<SP>1</SP>-dialkyl ester to the O,S<SP>1</SP>-dialkyl ester. The products, especially the novel compounds of the above given formula have pesticidal properties and may be used in admixture with suitable carriers or diluents to provide pesticidal compositions.
GB1114570A 1969-05-01 1970-03-09 Pesticidal o,s-dialkyl s-organo thioalkyl dithiophosphates Expired GB1312671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82111769A 1969-05-01 1969-05-01

Publications (1)

Publication Number Publication Date
GB1312671A true GB1312671A (en) 1973-04-04

Family

ID=25232565

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1114570A Expired GB1312671A (en) 1969-05-01 1970-03-09 Pesticidal o,s-dialkyl s-organo thioalkyl dithiophosphates

Country Status (8)

Country Link
BE (1) BE754199A (en)
CH (1) CH560009A5 (en)
DE (1) DE2020604C3 (en)
FR (1) FR2047223A5 (en)
GB (1) GB1312671A (en)
IL (1) IL33966A (en)
NL (1) NL7005195A (en)
ZA (1) ZA701319B (en)

Also Published As

Publication number Publication date
DE2020604B2 (en) 1973-05-24
ZA701319B (en) 1971-01-27
IL33966A (en) 1973-11-28
BE754199A (en) 1971-02-01
CH560009A5 (en) 1975-03-27
IL33966A0 (en) 1970-04-20
DE2020604A1 (en) 1971-02-25
NL7005195A (en) 1970-11-03
DE2020604C3 (en) 1974-01-03
FR2047223A5 (en) 1971-03-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee