GB740444A - Manufacture of sulphur derivatives of organic phosphorus compounds - Google Patents

Manufacture of sulphur derivatives of organic phosphorus compounds

Info

Publication number
GB740444A
GB740444A GB2647551A GB2647551A GB740444A GB 740444 A GB740444 A GB 740444A GB 2647551 A GB2647551 A GB 2647551A GB 2647551 A GB2647551 A GB 2647551A GB 740444 A GB740444 A GB 740444A
Authority
GB
United Kingdom
Prior art keywords
ethyl
dissolved
product
hydrogen sulphide
methylene chloride
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
GB2647551A
Inventor
Edward Arthur Perren
Alan Macpherson Kinnear
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB2647551A priority Critical patent/GB740444A/en
Publication of GB740444A publication Critical patent/GB740444A/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)]
    • C07F9/42Halides thereof
    • 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

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)

Abstract

Organic phosphorus compounds containing sulphur are obtained by reacting a complex compound of an organic chloride of the formula RCl (in which R is as defined below), phosphorus trichloride or tribromide, and anhydrous aluminium chloride or bromide, with hydrogen sulphide at elevated temperature and subjecting the resulting sulphur-containing complex compound to controlled hydrolytic decomposition to form an organic monothiophosphonyl compound, e.g. ethyl thiophosphonyl dichloride, or a dithiophospho compound, e.g. dithiophosphoethane, or a monothiophospho compound. In a modification the product of the reaction with hydrogen sulphide is dissolved in an inert solvent, e.g. methylene chloride, and treated with an alkyl alcohol, e.g. ethyl alcohol and the product decomposed with water to form an alkyl ester of an R-substituted dithiophosphonic acid, e.g. O-ethyl ethyl dithiophosphonate. The radical R is defined as an alkyl, cycloalkyl, or aralkyl radical, or an alkenyl radical containing at least three carbon atoms, or a chloroalkyl radical, which term includes polychlorinated methyl but only includes higher radicals above methyl containing one chlorine atom. Examples of the radical R are methyl, ethyl, n-propyl, isopropyl, n-, iso-, secondary- and tertiary-butyl, cetyl, benzyl, and cyclohexyl. The formula RCl also includes chlorinated paraffins of indefinite composition such as chlorinated white spirit or chlorinated paraffin wax. The hydrolytic decomposition may be effected by treatment with water and when it is continued at raised temperature various products may be formed, thus by warming dithiophosphoethane (C2H5PS2) with water it is converted to monothio phosphoethane (C2H5.POS). In an alternative method for decomposing the complex compound obtained by the hydrogen sulphide treatment the product is dissolved in an inert solvent, e.g. methylene chloride, and decomposed by concentrated hydrochloric acid to produce an organic dithiophospho compound. In examples, an ethyl chloride-phosphorus trichloride-aluminium chloride 1 : 1 : 1-complex is treated with (1) hydrogen sulphide at 90-100 DEG C. for 200 hours and the product dissolved in methylene chloride and then decomposed with cold water at 15 DEG C. to yield dithiophosphoethane; (2) with hydrogen sulphide at 140-145 DEG C. for four hours and the product dissolved in methylene chloride and treated with cold water to form ethylthiophosphonyl dichloride (C2H5.P(S)Cl2); (3) with hydrogen sulphide at 130 DEG C. for 72 hours, the product being dissolved in methylene chloride and the solution divided into two parts, one of which is hydrolysed with concentrated hydrochloric acid to yield dithiophosphoethane, while the second part is treated with ethyl alcohol, the solvent and alcohol distilled off, and the residue dissolved in methylene chloride and treated with cold water to yield O-ethyl ethyl dithiophosphonate-C2H5PS(SH) (OC2H5). In another example, (4) a methyl chloride - phosphorus trichloride - aluminium chloride 1 : 1 : 1 complex is treated with hydrogen sulphide at 130 DEG C. for 100 hours and the product is dissolved in methylene chloride and hydrolysed with cold water to yield monothiophosphomethane (CH3POS).
GB2647551A 1951-11-12 1951-11-12 Manufacture of sulphur derivatives of organic phosphorus compounds Expired GB740444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2647551A GB740444A (en) 1951-11-12 1951-11-12 Manufacture of sulphur derivatives of organic phosphorus compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2647551A GB740444A (en) 1951-11-12 1951-11-12 Manufacture of sulphur derivatives of organic phosphorus compounds

Publications (1)

Publication Number Publication Date
GB740444A true GB740444A (en) 1955-11-16

Family

ID=10244228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2647551A Expired GB740444A (en) 1951-11-12 1951-11-12 Manufacture of sulphur derivatives of organic phosphorus compounds

Country Status (1)

Country Link
GB (1) GB740444A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155709A (en) * 1962-02-27 1964-11-03 Monsanto Co Method of making hydrocarbylphosphonodithioic acids
US3155708A (en) * 1962-01-26 1964-11-03 Monsanto Co Process for making hydrocarbylphosphonothionic acid monoaryl esters
US3233010A (en) * 1959-10-02 1966-02-01 Bayer Ag Dithiophosphonic acid esters and process for their production
US3268629A (en) * 1962-10-11 1966-08-23 Hooker Chemical Corp Monoesters of phosphonic acids

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3233010A (en) * 1959-10-02 1966-02-01 Bayer Ag Dithiophosphonic acid esters and process for their production
US3155708A (en) * 1962-01-26 1964-11-03 Monsanto Co Process for making hydrocarbylphosphonothionic acid monoaryl esters
US3155709A (en) * 1962-02-27 1964-11-03 Monsanto Co Method of making hydrocarbylphosphonodithioic acids
US3268629A (en) * 1962-10-11 1966-08-23 Hooker Chemical Corp Monoesters of phosphonic acids

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