GB853982A - Production of alkyl, aryl and aralkyl esters of acids of trivalent phosphorus - Google Patents

Production of alkyl, aryl and aralkyl esters of acids of trivalent phosphorus

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Publication number
GB853982A
GB853982A GB8796/57A GB879657A GB853982A GB 853982 A GB853982 A GB 853982A GB 8796/57 A GB8796/57 A GB 8796/57A GB 879657 A GB879657 A GB 879657A GB 853982 A GB853982 A GB 853982A
Authority
GB
United Kingdom
Prior art keywords
addition
ammonia
maintained
aryl
preparation
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
GB8796/57A
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.)
Virginia Carolina Chemical Corp
Original Assignee
Virginia Carolina Chemical Corp
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 Virginia Carolina Chemical Corp filed Critical Virginia Carolina Chemical Corp
Publication of GB853982A publication Critical patent/GB853982A/en
Expired legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/28Titanium compounds
    • 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
    • C07F9/08Esters of oxyacids of phosphorus
    • C07F9/141Esters of phosphorous acids
    • 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
    • C07F9/46Phosphinous acids [R2POH], [R2P(= O)H]: Thiophosphinous acids including[R2PSH]; [R2P(=S)H]; Aminophosphines [R2PNH2]; Derivatives 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
    • C07F9/48Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof

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  • 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)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Esters of acids of trivalent phosphorus having the formula P(OR)3, R1P(OR)2, R12P(OR), (HO)P(OR)2 or HOR1P(OR), wherein R is an aryl, aralkyl or alkyl group having at least 2 carbon atoms and R1 an aryl, aralkyl or alkyl group are prepared by the separate simultaneous addition of a phosphorus halide, R 3-he-n PX n, where X is chlorine, bromine or iodine and n is 2 or 3, and the calculated proportion of ammonia gas to at least the calculated proportion of an alcohol or phenol ROH, the addition being so regulated that the ammonia addition is completed in substantially the same time as the addition of the phosphorous halide, the reaction temperature being maintained at from-25 DEG C. to about 65 DEG C., with the limitation that for the preparation of neutral phosphites the temperture is maintained above 25 DEG C., and the pH at 7-8,5 for the preparation of neutral esters and 5,5-6,9 for acid esters. In a modification of this process for the production of acid esters, (HO)P (OR)2 and (HO)R1P(OR), the ammonia addition is completed in two-thirds or one-half, respectively of the time taken to add the phosphorous halide, the pH being maintained at 7-8,5 during the addition of the ammonia. An inert hydrocarbon solvent may be used. The required pH may be maintained by the use of proportioning pumps to add the reactants or by means of an electronic or chemical indicator, e.g. just basic to Methyl Red for pH7-8,5. The process may be operated in a continuous manner. The required amount of ammonia and the minimum required amount of hydroxy compound may be obtained from the following equations. <FORM:0853982/IV(b)/1> <FORM:0853982/IV(b)/2> <FORM:0853982/IV(b)/3> <FORM:0853982/IV(b)/4> <FORM:0853982/IV(b)/5> Examples describe the preparation of triethyl, triisopropyl, tributyl, triisooctyl, trioctyl, trinonyl and tridecyl phosphites, dimethyl, diethyl, dipropyl and diisopropyl hydrogen phosphites, diethyl methylphosphonite, dioctyl ethylphosphonite, dihexyl phenylphosphonite, diethyl octylphosphonite and butyl diethylphosphonite.
GB8796/57A 1956-04-16 1957-03-18 Production of alkyl, aryl and aralkyl esters of acids of trivalent phosphorus Expired GB853982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US853982XA 1956-04-16 1956-04-16

Publications (1)

Publication Number Publication Date
GB853982A true GB853982A (en) 1960-11-16

Family

ID=22191349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8796/57A Expired GB853982A (en) 1956-04-16 1957-03-18 Production of alkyl, aryl and aralkyl esters of acids of trivalent phosphorus

Country Status (1)

Country Link
GB (1) GB853982A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247448A (en) 1978-11-02 1981-01-27 General Electric Company Thermally stable polycarbonate compositions comprising oxetane phosphonites
EP0787738A1 (en) * 1996-02-01 1997-08-06 Hoechst Aktiengesellschaft Process for the preparation of 6-alkoxy-(6H)-dibenz(c,e)(1,2)-oxaphosphorines
EP0789027A1 (en) * 1996-02-06 1997-08-13 Hoechst Aktiengesellschaft Process for preparing monoalkylesters of phosphonous acids

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247448A (en) 1978-11-02 1981-01-27 General Electric Company Thermally stable polycarbonate compositions comprising oxetane phosphonites
EP0787738A1 (en) * 1996-02-01 1997-08-06 Hoechst Aktiengesellschaft Process for the preparation of 6-alkoxy-(6H)-dibenz(c,e)(1,2)-oxaphosphorines
US5698729A (en) * 1996-02-01 1997-12-16 Hoechst Aktiengesellschaft Process for preparing 6-alkoxy-(6H)-dibenzo C,E! 1,2!-oxaphosphorines
EP0789027A1 (en) * 1996-02-06 1997-08-13 Hoechst Aktiengesellschaft Process for preparing monoalkylesters of phosphonous acids
US5734072A (en) * 1996-02-06 1998-03-31 Hoechst Aktiengesellschaft Process for preparing monoalkyl phosphonites

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