NL8501414A - Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. - Google Patents

Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. Download PDF

Info

Publication number
NL8501414A
NL8501414A NL8501414A NL8501414A NL8501414A NL 8501414 A NL8501414 A NL 8501414A NL 8501414 A NL8501414 A NL 8501414A NL 8501414 A NL8501414 A NL 8501414A NL 8501414 A NL8501414 A NL 8501414A
Authority
NL
Netherlands
Prior art keywords
mixture
dichlorophenol
toluene
dichlorophenolate
temperature
Prior art date
Application number
NL8501414A
Other languages
English (en)
Dutch (nl)
Original Assignee
Ufim Neftyanoi I Ufim Proizv O
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 Ufim Neftyanoi I Ufim Proizv O filed Critical Ufim Neftyanoi I Ufim Proizv O
Publication of NL8501414A publication Critical patent/NL8501414A/nl

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/01Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
    • C07C37/055Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/64Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
    • C07C37/66Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring by conversion of hydroxy groups to O-metal groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/685Processes comprising at least two steps in series
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/72Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL8501414A 1985-05-14 1985-05-15 Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen. NL8501414A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8512199A GB2175299B (en) 1985-05-14 1985-05-14 Process for isolating alkali metal 2,4-dichlorophenolate and 2,4-dichlorophenol from a mixture of chlorophenols
GB8512199 1985-05-14

Publications (1)

Publication Number Publication Date
NL8501414A true NL8501414A (nl) 1986-12-01

Family

ID=10579120

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8501414A NL8501414A (nl) 1985-05-14 1985-05-15 Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen.

Country Status (4)

Country Link
AT (1) AT381928B (US20050192411A1-20050901-C00001.png)
DE (1) DE3519039A1 (US20050192411A1-20050901-C00001.png)
GB (1) GB2175299B (US20050192411A1-20050901-C00001.png)
NL (1) NL8501414A (US20050192411A1-20050901-C00001.png)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU406824A1 (ru) * 1971-06-01 1973-11-21 М. С. Бакиров, А. Д. Игошев, В. Н. Лукашенок, А. С. Соболев, С. В. Зубарев , И. Пенышкина Уфимский химический завод Способ выделения хлорзамещенных фенолов

Also Published As

Publication number Publication date
AT381928B (de) 1986-12-10
ATA132885A (de) 1986-05-15
GB2175299A (en) 1986-11-26
GB8512199D0 (en) 1985-06-19
DE3519039A1 (de) 1986-12-04
GB2175299B (en) 1989-06-28
DE3519039C2 (US20050192411A1-20050901-C00001.png) 1989-02-02

Similar Documents

Publication Publication Date Title
US3073868A (en) Production and purification of diphenylolalkanes
KR970015555A (ko) 고순도 테레프탈산의 제조방법
US5434316A (en) Purification of bisphenol-A
US3290391A (en) Production and purification of a diphenylolpropane
JPS59231033A (ja) ビスフエノ−ルaの精製方法
US3207795A (en) Production and purification of diphenylolalkanes
FR2467185A1 (fr) Procedes de separation et de purification du resorcinol et de l'hydroquinone
US4935555A (en) Purification of neopentyl glycol
CA2005469C (en) Method of purifying bisphenols
NL8501414A (nl) Werkwijze voor het isoleren van alkalimetaal-2,4-dichloorfenolaat en 2,4-dichloorfenol uit een mengsel van chloorfenolen.
US3359281A (en) Separation and isolation of 2, 2, (2, 4'-dihydroxydiphenyl) propane and 2, 2, 4-trimethyl 4(4'-hydroxyphenyl) chroman from mixtures containing the same
US2744144A (en) Purification of phenol
US3679751A (en) Boric acid recovery
US4294998A (en) Preparation of high purity 1,4-butanediol
JPS62138443A (ja) ビスクレゾ−ルの製造方法
CA1268779A (en) Isolation process
EP0153292B1 (en) Purification of crude sorbic acid
US2527660A (en) Methacrylonitrile purification
US3975441A (en) Process for recovering purified 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadiene-1-one
JPS6193165A (ja) キナルジンの分離精製法
US4463197A (en) Method for purifying phloroglucin
US3821294A (en) Process for producing very pure tetra chlorobisphenol a
US3933929A (en) Process for the purification of p-nitrophenol
SU1004347A1 (ru) Способ выделени и очистки фенолкарбоновых кислот
US2521097A (en) Purification of sulfamethazine

Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed