US3843735A - 3-perfluoroalkyl-1 propenes and process for producing - Google Patents

3-perfluoroalkyl-1 propenes and process for producing Download PDF

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Publication number
US3843735A
US3843735A US00177091A US17709171A US3843735A US 3843735 A US3843735 A US 3843735A US 00177091 A US00177091 A US 00177091A US 17709171 A US17709171 A US 17709171A US 3843735 A US3843735 A US 3843735A
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United States
Prior art keywords
percent
perfluoroalkyl
zinc
allyl
ether
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Expired - Lifetime
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US00177091A
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English (en)
Inventor
M Knell
N Brace
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Individual
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Individual
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Priority to BE788214D priority Critical patent/BE788214A/xx
Application filed by Individual filed Critical Individual
Priority to US00177091A priority patent/US3843735A/en
Priority to GB3547772A priority patent/GB1377235A/en
Priority to JP47083384A priority patent/JPS4834805A/ja
Priority to DE2241252A priority patent/DE2241252A1/de
Priority to FR7230560A priority patent/FR2150915A1/fr
Priority to CH1268672A priority patent/CH570949A5/xx
Priority to IT52426/72A priority patent/IT962277B/it
Application granted granted Critical
Publication of US3843735A publication Critical patent/US3843735A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00Ethers; Compounds having groups, groups or groups
    • C07C43/02Ethers
    • C07C43/03Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
    • C07C43/04Saturated ethers
    • C07C43/13Saturated ethers containing hydroxy or O-metal groups
    • C07C43/137Saturated ethers containing hydroxy or O-metal groups containing halogen
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/07Preparation of halogenated hydrocarbons by addition of hydrogen halides
    • C07C17/087Preparation of halogenated hydrocarbons by addition of hydrogen halides to unsaturated halogenated hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/361Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/361Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
    • C07C17/367Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms by depolymerisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00Ethers; Compounds having groups, groups or groups
    • C07C43/02Ethers
    • C07C43/03Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
    • C07C43/04Saturated ethers
    • C07C43/12Saturated ethers containing halogen

Definitions

  • R is a long chain straight or branched perfluoroalkyl group of the formula C,,F where n is an integer from 3 to 14 and more preferably 6 to 12.
  • the present compounds are useful intermediates for application in textile finishes.
  • the 3-perfluoroalkyl-l-propenes of the present disclosure may be converted to fluoroalkyl fumarates which may be employed as textile finishes.
  • the 3-perfluoroalkyl-l-propenes are formed by treatment of specific 3- perfluoroalkyl-Z-iodo-I-alkyl ethers or 3- point of economic consideration, R; desirably contains six to 12 carbon atoms.
  • R groups-containing less than six carbon atoms do provide soil repellency in textile finishes. Nevertheless, due to industry standards of high repellency levels, an additional fluorine content is dea suitable R group contains seven carbon atoms.
  • the present process is directed to the treatment of the disclosed 3-perfluoroalkyl-2-iodo-l alkyl ethers or esters with zinc to obtain terminal unsaturation rendering novelty to the present technique.
  • a hydroxylic solvent may be employed in conjunction with the disclosed process.
  • the present process employs the utilization of starting materials comprising fluorinated iodoalkyl ethers and esters with zinc.
  • the fluorinated iodoalkyl compounds utilized in this technique are known in the art and may be prepared in accordance with Brace US. Pat. No. 3,145,222 and Brace, J. Org Chem. 27, 3033, (l962), namely: g
  • R is a straight or branch chain perfluoroalkyl group containing three to 14 carbon atoms, and more desirably six to 12 carbon atoms.
  • v The reaction to produce the 3-perfluoroalkyl-l propene is carried out in the presence of zinc. A hydroxylic solvent may be employed. Additionally a proton donor
  • the Brace disclosure illustrates the principle that in reacting fluorinated iodoalkyl esters in the presence of zinc, reduction of the fluorinated alkyl iodide takes place, namely the replacement by iodine by hydrogen.
  • the present invention employs starting compounds which are closely re- 7 lated to prior art starting compounds but forms a reactant product which is totally unexpected.
  • R cH cH a cn cz ca omzn whereih Rji aiong chain perfluoroalkyl group either straight or branched chain of the formula C,,F where n is an integer from 3 to 14; R represents lower .alkyl containing one to four carbon atoms, lower acyl may be used in analogous fashion as prior art disclosures but a different result is obtained in the present use with the present selection of starting compounds. Suit- .239132 sa slaqsgssissss@QH.
  • able solvents include methanol, isopropanol, cellosolves and ethylene glycol, etc.
  • Proton donor systems if employed, can include hydrogen chloride, formic acid etc. and systems disclosed in the Haszeldine and Steele disclosures, supra.
  • the addition of the acetate takes approximately 45 minutes.
  • the reaction mixture is continuously stirred for an additional 2% hours and the temperature maintained at 60C. Thereafter the reaction mixture is cooled to room temperature, the unreacted zinc is filtered off and the product washed with 1500 ml. of water.
  • the oily layer is dried over molecular sieve and then distilled through an 18 inch spinning band column; 19.6 grams of product boiling at 142l44C/760 mm. is obtained.
  • EXAMPLE 8 Preparation of 4-'l"rifluoromethyl-4,5 ,5 ,S-tetrafluorol -pentene (CF11 from (CF CFCH CHlCH O CCH (30.0g, 0.0756 mole) was added slowly from a Varibor dropping funnel to a slurrly of zinc (10.0g, 0.153g-atom) in oxydiethanol (diethylene glycol, ml), while stirring by a magnet in a total reflux, partial take-off distilling apparatus connected to a Dry-Ice trap. The iodo acetate was.
  • a Fischer Porter aerosol tube was charged with allyl benzoate (16.2 g, 0.100 mol), l-iodoperfluoroheptane (49.6 g, 0.100 mol, and azobisisobutyronitrile (0.328 g, 2.00 mmol). After the usual procedure the tube was heated at 70 for 12 hr, the reaction product (two layers) filtered through a sintered disc and distilled without a column, using a variable take-off head. C F, l (15.1 g, percent recovery) and allyl benzoate (1.7 g) were removed.
  • the colorless clear mixture became cloudy. It was filtered through a sintered glass disc and distilled in column A. A mixture of C F, l and allyl propyl ether (657g, n D 1.3905), and C F, l (9.27g, n D 1.3300) were recovered; C F, CH Cl-llC1-l -OCl-l Cl-l Cl-l distilled, bp 81-83/0.85 mm, n D 1.3767, 42.65g (71.5 percent conversion). A residue of 1.0g remained. The trap contained 2.50g of starting materials (n D 1.3500).
  • a process for the preparation of 3-perfluoroalkyl l-propene which comprises treating R CH CIIHCH OR I where Rf is CnF n is an integer from 3 to .14 and R is lower alkyl, lower carboxylac'yl, benzoyl or aryl, with zinc in the presence of an alkanol of one to three carbon atoms, a glycol of up to three carbon atoms, ethylene glycol or diethylene glycol.
  • n is an integer from 6 to 12.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
US00177091A 1971-09-01 1971-09-01 3-perfluoroalkyl-1 propenes and process for producing Expired - Lifetime US3843735A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE788214D BE788214A (fr) 1971-09-01 Procede de production de 3-perfluoroalkyl-1-propenes
US00177091A US3843735A (en) 1971-09-01 1971-09-01 3-perfluoroalkyl-1 propenes and process for producing
GB3547772A GB1377235A (en) 1971-09-01 1972-07-28 Process for producing 3-perfluoroalkyl-1-propenes
DE2241252A DE2241252A1 (de) 1971-09-01 1972-08-22 Verfahren zur herstellung von 3-perfluoralkyl-1-propenen
JP47083384A JPS4834805A (de) 1971-09-01 1972-08-22
FR7230560A FR2150915A1 (de) 1971-09-01 1972-08-28
CH1268672A CH570949A5 (de) 1971-09-01 1972-08-28
IT52426/72A IT962277B (it) 1971-09-01 1972-08-30 Procedimento per la produzione di 3 perfluoro alchil i propeni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00177091A US3843735A (en) 1971-09-01 1971-09-01 3-perfluoroalkyl-1 propenes and process for producing

Publications (1)

Publication Number Publication Date
US3843735A true US3843735A (en) 1974-10-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00177091A Expired - Lifetime US3843735A (en) 1971-09-01 1971-09-01 3-perfluoroalkyl-1 propenes and process for producing

Country Status (8)

Country Link
US (1) US3843735A (de)
JP (1) JPS4834805A (de)
BE (1) BE788214A (de)
CH (1) CH570949A5 (de)
DE (1) DE2241252A1 (de)
FR (1) FR2150915A1 (de)
GB (1) GB1377235A (de)
IT (1) IT962277B (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900874A (en) * 1988-02-12 1990-02-13 Daikin Industries, Ltd. Method for producing fluorine-containing olefin
WO2005074639A3 (en) * 2004-01-30 2005-12-08 Pcbu Services Inc Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
WO2005074593A3 (en) * 2004-01-30 2006-03-16 Pcbu Services Inc Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
WO2005074594A3 (en) * 2004-01-30 2006-03-30 Pcbu Services Inc Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
KR100945557B1 (ko) 2008-04-28 2010-03-08 나노크리스탈주식회사 과불화알킬 변성 알킬알콕시실란의 제조방법
WO2011085058A1 (en) 2010-01-06 2011-07-14 Nature Works Llc Polylactide molding compositions and molding process
US8318656B2 (en) 2007-07-03 2012-11-27 E. I. Du Pont De Nemours And Company Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
WO2017189452A1 (en) 2016-04-28 2017-11-02 Natureworks Llc Polymer foam insulation structures having a facing layer of a polylactide resin
WO2017189453A1 (en) 2016-04-28 2017-11-02 Natureworks Llc Polymer foam insulation structure having a facing of a multi-layer sheet that contains a heat resistant polymer layer and a polylactide resin layer

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900874A (en) * 1988-02-12 1990-02-13 Daikin Industries, Ltd. Method for producing fluorine-containing olefin
WO2005074639A3 (en) * 2004-01-30 2005-12-08 Pcbu Services Inc Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
WO2005074593A3 (en) * 2004-01-30 2006-03-16 Pcbu Services Inc Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
WO2005074594A3 (en) * 2004-01-30 2006-03-30 Pcbu Services Inc Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
US20080009655A1 (en) * 2004-01-30 2008-01-10 Janet Boggs Production Processes and Systems, Compositions, Surfactants, Monomer Units, Metal Complexes, Phosphate Esters, Glycols, Aqueous Film Forming Foams, and Foam Stabilizers
US7943567B2 (en) 2004-01-30 2011-05-17 E.I. Du Pont De Nemours And Company Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
US8318656B2 (en) 2007-07-03 2012-11-27 E. I. Du Pont De Nemours And Company Production processes and systems, compositions, surfactants, monomer units, metal complexes, phosphate esters, glycols, aqueous film forming foams, and foam stabilizers
KR100945557B1 (ko) 2008-04-28 2010-03-08 나노크리스탈주식회사 과불화알킬 변성 알킬알콕시실란의 제조방법
WO2011085058A1 (en) 2010-01-06 2011-07-14 Nature Works Llc Polylactide molding compositions and molding process
WO2017189452A1 (en) 2016-04-28 2017-11-02 Natureworks Llc Polymer foam insulation structures having a facing layer of a polylactide resin
WO2017189453A1 (en) 2016-04-28 2017-11-02 Natureworks Llc Polymer foam insulation structure having a facing of a multi-layer sheet that contains a heat resistant polymer layer and a polylactide resin layer

Also Published As

Publication number Publication date
IT962277B (it) 1973-12-20
DE2241252A1 (de) 1973-03-08
CH570949A5 (de) 1975-12-31
JPS4834805A (de) 1973-05-22
BE788214A (fr) 1973-02-28
GB1377235A (en) 1974-12-11
FR2150915A1 (de) 1973-04-13

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