ZA855395B - Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals - Google Patents

Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals

Info

Publication number
ZA855395B
ZA855395B ZA855395A ZA855395A ZA855395B ZA 855395 B ZA855395 B ZA 855395B ZA 855395 A ZA855395 A ZA 855395A ZA 855395 A ZA855395 A ZA 855395A ZA 855395 B ZA855395 B ZA 855395B
Authority
ZA
South Africa
Prior art keywords
fluoral
hexafluoroacetone
hemiacetals
preparation
pure
Prior art date
Application number
ZA855395A
Other languages
English (en)
Inventor
Bernard Cheminal
Henri Mathais
Marc Thomarat
Original Assignee
Atochem
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 Atochem filed Critical Atochem
Publication of ZA855395B publication Critical patent/ZA855395B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C43/00—Ethers; Compounds having groups, groups or groups
    • C07C43/30—Compounds having groups
    • C07C43/317—Compounds having groups having groups, X being hydrogen or metal
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/34—Halogenated alcohols
    • C07C31/42—Polyhydroxylic acyclic alcohols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/60—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by elimination of -OH groups, e.g. by dehydration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/34—Halogenated alcohols
    • C07C31/38—Halogenated alcohols containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/28—Preparation of ethers by reactions not forming ether-oxygen bonds from acetals, e.g. by dealcoholysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/48—Preparation of compounds having groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA855395A 1984-07-18 1985-07-17 Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals ZA855395B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8411384A FR2567876B1 (fr) 1984-07-18 1984-07-18 Procede de preparation des hydrates de fluoral et d'hexafluoroacetone purs a partir d'hemiacetals

Publications (1)

Publication Number Publication Date
ZA855395B true ZA855395B (en) 1986-03-26

Family

ID=9306240

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA855395A ZA855395B (en) 1984-07-18 1985-07-17 Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals

Country Status (15)

Country Link
US (1) US4642386A (de)
EP (1) EP0172761B1 (de)
JP (1) JPS6137748A (de)
KR (1) KR890005062B1 (de)
AT (1) ATE34563T1 (de)
AU (1) AU576601B2 (de)
CA (1) CA1236117A (de)
DE (1) DE3562902D1 (de)
DK (1) DK324685A (de)
ES (1) ES8608470A1 (de)
FR (1) FR2567876B1 (de)
GR (1) GR851772B (de)
IL (1) IL75576A0 (de)
NO (1) NO161173C (de)
ZA (1) ZA855395B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580630B1 (fr) * 1985-04-23 1987-05-29 Atochem Procede de synthese du trifluoro-2,2,2 ethanol
JP4869625B2 (ja) * 2005-05-12 2012-02-08 東ソ−・エフテック株式会社 トリフルオロアセトアルデヒドヘミアセタールの回収方法
JP5585291B2 (ja) * 2010-08-12 2014-09-10 セントラル硝子株式会社 ヘキサフルオロアセトン一水和物の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2681370A (en) * 1954-06-15 Perfluoroalkylaldehyde
US2579021A (en) * 1946-07-10 1951-12-18 Shell Dev Production of chlorinated acetalde-hydes and their acetal derivatives
US2616929A (en) * 1947-09-04 1952-11-04 Montrose Chemical Company Process of manufacturing chloral
US2848500A (en) * 1957-01-28 1958-08-19 Du Pont Preparation of purified formaldehyde
US3492358A (en) * 1968-04-10 1970-01-27 Dow Chemical Co Purification of ethers
JPS6041647B2 (ja) * 1980-11-11 1985-09-18 セントラル硝子株式会社 １，１，１，３，３，３−ヘキサフルオロプロパン−２−オ−ルの製法
JPS5781433A (en) * 1980-11-11 1982-05-21 Central Glass Co Ltd Purification of hexafluoroacetone
GB8334566D0 (en) * 1983-12-29 1984-02-01 Ici Plc Chemical process
FR2567875B1 (fr) * 1984-07-18 1986-08-08 Atochem Procede de synthese du trifluoro-2,2,2 ethanol et de l'alcool hexafluoro-1,1,1,3,3,3 isopropylique

Also Published As

Publication number Publication date
AU576601B2 (en) 1988-09-01
JPS6137748A (ja) 1986-02-22
FR2567876A1 (fr) 1986-01-24
GR851772B (de) 1985-11-26
FR2567876B1 (fr) 1986-11-28
DK324685D0 (da) 1985-07-17
DK324685A (da) 1986-01-19
AU4504185A (en) 1986-01-23
EP0172761B1 (de) 1988-05-25
JPS6319494B2 (de) 1988-04-22
KR860001042A (ko) 1986-02-22
DE3562902D1 (en) 1988-06-30
ES8608470A1 (es) 1986-06-16
ES545150A0 (es) 1986-06-16
NO161173C (no) 1989-07-12
NO852775L (no) 1986-01-20
KR890005062B1 (ko) 1989-12-09
CA1236117A (fr) 1988-05-03
NO161173B (no) 1989-04-03
US4642386A (en) 1987-02-10
ATE34563T1 (de) 1988-06-15
IL75576A0 (en) 1985-10-31
EP0172761A1 (de) 1986-02-26

Similar Documents

Publication Publication Date Title
GB2040924B (en) Process for the simultaneous manufacture of pure methyl t butyl ether and a substantially isobutane-free mixture of c-hydrocarbons
JPS6434934A (en) Manufacture of alcoholate
HUT34226A (en) Process for the production of cyclodextrin polymers swelling in water quickly and to a high extent
DE2960646D1 (en) Process for the obtention of water-free or substantially water-free formic acid
US5149861A (en) Recovery of trialkylamines and methyl formate from mixtures obtained in the preparation of trimethylolalkanes
DE3562902D1 (en) Process for the preparation of pure hydrates of fluoral and hexafluoroacetone from hemiacetals
NZ337609A (en) Process for production of fluoroalochol by distillation in presence of base. Low evaporation residue fluoroalcohol and use in information recording media
US7153397B2 (en) Process for the purification of fluoromethyl hexafluoroisopropyl ether
ES521310A0 (es) Procedimiento continuo para preparar alcoxidos de metales alcalinos.
ZA855396B (en) Process for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropyl alcohol
DE3271245D1 (en) Production of sodium salicylate
FR2413354A1 (fr) Procede cyclique integre de preparation d'acetate de vinyle a partir du methanol, de l'acetaldehyde et de l'oxyde de carbone
HUT60989A (en) Method for producing trifluoro-acetaldehyde
KR910021357A (ko) 알콕시드 촉매반응에 의한 축합 알콜의 제조방법
US4380631A (en) Preparation of caffeine
JPS5675462A (en) Preparation of benzenecarboxylate
Ogawa et al. A NOVEL TRANSANNULAR REACTION OF 2, 4, 6-CYCLOOCTATRIEN-1-ONE
JPS55139369A (en) Preparation of 1,4-di-substituted piperazine
JPS54144347A (en) 3-(2-fluoro-4-biphenylyl)-2-butanone
EP0222117A3 (en) Method for the production of unsaturated cyclic alcohols
JPS5785341A (en) Production of alpha-fluoro-beta-(arylketo)ester
JPS54112804A (en) Preparation of alkadienyl ethers
JPS55111459A (en) Preparation of cysteamine
JPS5585577A (en) Production of cis-epoxysuccinic ester
JPH0256339B2 (de)