ES8608470A1 - Procedimiento para la preparacion de hidratos de fluoral y de hexafluoracetona puros a partir de hemiacetales - Google Patents

Procedimiento para la preparacion de hidratos de fluoral y de hexafluoracetona puros a partir de hemiacetales

Info

Publication number
ES8608470A1
ES8608470A1 ES545150A ES545150A ES8608470A1 ES 8608470 A1 ES8608470 A1 ES 8608470A1 ES 545150 A ES545150 A ES 545150A ES 545150 A ES545150 A ES 545150A ES 8608470 A1 ES8608470 A1 ES 8608470A1
Authority
ES
Spain
Prior art keywords
fluoral
hexafluoroacetone
hemiacetals
preparation
pure
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
ES545150A
Other languages
English (en)
Other versions
ES545150A0 (es
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.)
Arkema France SA
Original Assignee
Atochem SA
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 SA filed Critical Atochem SA
Publication of ES8608470A1 publication Critical patent/ES8608470A1/es
Publication of ES545150A0 publication Critical patent/ES545150A0/es
Expired legal-status Critical Current

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)

Abstract

PROCEDIMIENTO PARA FABRICAR HIDRATOS DE FLUORAL Y DE HEXAFLUORACETONA PUROS. COMPRENDE: A) ABSORBER A BAJA TEMPERATURA EN METANOL O ETANOL PURO AZEOTROPICO A LOS GASES PROCEDENTES DE FLUORACION CATALITICA DE CLORAL O DE HEXACLOROACETONA ELIMINADOS DE FH Y DESTILADOS A VACIO, PARA OBTENER HEMIACETAL METILICO O ETILICO PURO D.F. (I); B) HACER REACCIONAR A (I) CON AGUA EN UNA (C.D.) EN UNA PROPORCION MOLAR AGUA/(I) ENTRE 1,5 Y 3, ENTRE 95 Y 115JC Y A PRESION ATMOSFERICA; C) DESTILA EN LA CABEZA DE (C.D.) DESTILACION AL METANOL O ETANOL FORMADO; Y D) RECUPERAR EN LA COLA DE (C.D.) AL HIDRATO DE FLUORAL O DE HEXAFLUORACETONA PURO. SIENDO: R, H O UN RADICAL TRIFLUOROMETILICO; C.D., COLUMNA DE DESTILACION; Y D.F., DE FORMULA. SE UTILIZAN COMO PRODUCTOS INTERMEDIOS PARA LA SINTESIS DEL TRIFLUOR-2,2,2-ETANOL.
ES545150A 1984-07-18 1985-07-12 Procedimiento para la preparacion de hidratos de fluoral y de hexafluoracetona puros a partir de hemiacetales Expired ES8608470A1 (es)

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 (2)

Publication Number Publication Date
ES8608470A1 true ES8608470A1 (es) 1986-06-16
ES545150A0 ES545150A0 (es) 1986-06-16

Family

ID=9306240

Family Applications (1)

Application Number Title Priority Date Filing Date
ES545150A Expired ES8608470A1 (es) 1984-07-18 1985-07-12 Procedimiento para la preparacion de hidratos de fluoral y de hexafluoracetona puros a partir de hemiacetales

Country Status (15)

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

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
JPS5781433A (en) * 1980-11-11 1982-05-21 Central Glass Co Ltd Purification of hexafluoroacetone
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
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
KR860001042A (ko) 1986-02-22
ZA855395B (en) 1986-03-26
AU4504185A (en) 1986-01-23
EP0172761A1 (fr) 1986-02-26
JPS6137748A (ja) 1986-02-22
NO161173B (no) 1989-04-03
IL75576A0 (en) 1985-10-31
CA1236117A (fr) 1988-05-03
AU576601B2 (en) 1988-09-01
DK324685A (da) 1986-01-19
FR2567876A1 (fr) 1986-01-24
ES545150A0 (es) 1986-06-16
DE3562902D1 (en) 1988-06-30
US4642386A (en) 1987-02-10
GR851772B (es) 1985-11-26
FR2567876B1 (fr) 1986-11-28
EP0172761B1 (fr) 1988-05-25
KR890005062B1 (ko) 1989-12-09
ATE34563T1 (de) 1988-06-15
NO852775L (no) 1986-01-20
DK324685D0 (da) 1985-07-17
NO161173C (no) 1989-07-12
JPS6319494B2 (es) 1988-04-22

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970203