GB917085A - Phosphonic and thiophosphonic acid esters - Google Patents

Phosphonic and thiophosphonic acid esters

Info

Publication number
GB917085A
GB917085A GB4236060A GB4236060A GB917085A GB 917085 A GB917085 A GB 917085A GB 4236060 A GB4236060 A GB 4236060A GB 4236060 A GB4236060 A GB 4236060A GB 917085 A GB917085 A GB 917085A
Authority
GB
United Kingdom
Prior art keywords
alkyl
c2h5sch2p
acid
halogen
alkylmercaptoalkanephosphonic
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
GB4236060A
Inventor
Reimer Coelln
Gerhard Schrader
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Priority to GB4236060A priority Critical patent/GB917085A/en
Publication of GB917085A publication Critical patent/GB917085A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07F9/28Phosphorus compounds with one or more P—C bonds
    • C07F9/38Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40Esters thereof
    • C07F9/4003Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4006Esters of acyclic acids which can have further substituents on alkyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention comprises compounds of formula <FORM:0917085/IV (b)/1> where R and R1 are C1-4 alkyl, R2 is C1-4 alkylor phenyl-mercaptoalkyl, di(C1-4 alkyl(aminoalkyl, C1-4 alkyl- or di(C1-4 alkyl)-aminocarbonyl-C1-4-alkyl, phenyl substituted by halogen and/or nitro and/or C1-4 alkyl and/or C1-4 alkylmercapto, or a coumarin radical which may be substituted by halogen and/or C1-4 alkyl, Alk is C1-4 alkylene and X and Y are oxygen or sulphur. They may be prepared by hydrolysing an alkylmercaptoalkanephosphonic acid ester to the free acid, reacting this with a chlorinating agent, e.g. PCl5 or SOCl2, to the dichloride, reacting this with an alcohol to give the alkylmercaptoalkanephosphonic acid O-alkyl ester monochloride or with P2S5 to give the alkylmercaptoalkanethionophosphonic acid dichloride which is reacted with an alcohol to give the O-alkyl ester monochloride and reacting the alkylmercaptoalkanephosphonic or -thiophosphonic acid ester monochloride with an appropriate OH or SH compound in the presence of an acid binding agent. The products are insecticides (see Group VI). Intermediate compounds prepared in examples according to the above reaction scheme are C2H5SCH2P(O)(OH)2, C2H5SCH2P(O)Cl2, C2H5SCH2P(S)Cl2, C2H5SCH2P(S)(OC2H5)Cl, C2H5SCH2P(S)(OCH3)Cl, C2H5SCH2CH2P(S) (OCH3)Cl and C2H5SCH2P(O) (OC2H5)Cl.ALSO:Insecticidal compositions comprise organo-phosphorus compounds of formula <FORM:0917085/VI/1> where R and R1 are C1-4 alkyl, R2 is C1-4 alkyl- or phenyl-mercaptoalkyl, di(C1-4 alkyl) aminoalkyl, C1-4 alkyl- or di(C1-4 alkyl)-aminocarbonyl-C1-4-alkyl, phenyl substituted by halogen and/or nitro and/or C1-4 alkyl and/or C1-4 alkylmercapto, or a coumarin radical which may be substituted by halogen and/or C1-4 alkyl, Alk is C1-4 alkylene, and X and Y are oxygen or sulphur, together with a solid or liquid carrier e.g. talc, chalk, clay bentonite, alcohols such as methanol, ketones such as acetone or methyl ethyl ketone and liquid hydrocarbons. Known insecticides and/or fertilisers may also be present. Aqueous compositions may contain emulsifiers.
GB4236060A 1960-12-08 1960-12-08 Phosphonic and thiophosphonic acid esters Expired GB917085A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4236060A GB917085A (en) 1960-12-08 1960-12-08 Phosphonic and thiophosphonic acid esters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4236060A GB917085A (en) 1960-12-08 1960-12-08 Phosphonic and thiophosphonic acid esters

Publications (1)

Publication Number Publication Date
GB917085A true GB917085A (en) 1963-01-30

Family

ID=10424072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4236060A Expired GB917085A (en) 1960-12-08 1960-12-08 Phosphonic and thiophosphonic acid esters

Country Status (1)

Country Link
GB (1) GB917085A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019170710A2 (en) 2018-03-07 2019-09-12 Forschungsverbund Berlin E.V. Chemoselective thiol-conjugation with alkene or alkyne-phosphonothiolates and -phosphonates

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019170710A2 (en) 2018-03-07 2019-09-12 Forschungsverbund Berlin E.V. Chemoselective thiol-conjugation with alkene or alkyne-phosphonothiolates and -phosphonates

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