BE843365A - Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol - Google Patents

Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol

Info

Publication number
BE843365A
BE843365A BE168276A BE168276A BE843365A BE 843365 A BE843365 A BE 843365A BE 168276 A BE168276 A BE 168276A BE 168276 A BE168276 A BE 168276A BE 843365 A BE843365 A BE 843365A
Authority
BE
Belgium
Prior art keywords
orthocresol
dimethyl phenol
technically pure
synthesis residues
obtaining technically
Prior art date
Application number
BE168276A
Other languages
English (en)
French (fr)
Inventor
H Spengler
G Storch
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 filed Critical
Publication of BE843365A publication Critical patent/BE843365A/xx

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
    • C07C37/685Processes 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
    • C07C37/84Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE168276A 1975-07-16 1976-06-24 Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol BE843365A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752531774 DE2531774C3 (de) 1975-07-16 1975-07-16 Verfahren zur Gewinnung von technisch reinem 2,6-Dimethylphenol aus Rückständen der o-Kresolsynthese

Publications (1)

Publication Number Publication Date
BE843365A true BE843365A (fr) 1976-10-18

Family

ID=5951659

Family Applications (1)

Application Number Title Priority Date Filing Date
BE168276A BE843365A (fr) 1975-07-16 1976-06-24 Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol

Country Status (6)

Country Link
JP (1) JPS5212136A (ja)
BE (1) BE843365A (ja)
DE (1) DE2531774C3 (ja)
FR (1) FR2318136A1 (ja)
GB (1) GB1531635A (ja)
NL (1) NL7606549A (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477006A1 (fr) * 1980-02-29 1981-09-04 Robert Cassou Appareil de transfert d'elements de reproduction animale, notamment d'embryons
JPS58110169A (ja) * 1981-12-23 1983-06-30 Asahi Malleable Iron Co Ltd 注湯方法
JPH01249737A (ja) * 1988-03-30 1989-10-05 Asahi Chem Ind Co Ltd オルソクレゾールおよび/または2,6−キシレノールの回収方法
EP1109768B2 (en) 1998-09-03 2007-04-18 Chemtura Corporation Purification of 2, 4, 6 - tri - (tert butyl) phenol by melt crystallization
US20040211657A1 (en) * 2003-04-11 2004-10-28 Ingelbrecht Hugo Gerard Eduard Method of purifying 2,6-xylenol and method of producing poly(arylene ether) therefrom

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB662783A (en) * 1948-03-02 1951-12-12 Bataafsche Petroleum Purification of alkyl phenols
GB1018838A (en) * 1962-06-04 1966-02-02 Onderzoekinsinst Res Nv Improvements in and relating to the purification of 2,6-dimethylphenol
NL285017A (ja) * 1962-11-02
US3392090A (en) * 1966-12-09 1968-07-09 Koppers Co Inc Process for separation of alkyl phenols by azeotropic distillation with an alkane diol
BE716974A (ja) * 1967-06-27 1968-12-02

Also Published As

Publication number Publication date
NL7606549A (nl) 1977-01-18
DE2531774C3 (de) 1978-04-06
DE2531774A1 (de) 1977-01-20
GB1531635A (en) 1978-11-08
FR2318136A1 (fr) 1977-02-11
JPS5212136A (en) 1977-01-29
DE2531774B2 (de) 1977-08-11

Similar Documents

Publication Publication Date Title
BE821733A (fr) Procede de preparation d'hydrogene a partir de la vapeur d'eau
OA05495A (fr) Procédé d'obtention de TEREPHTALATE de DIMETHYLE à partir de déchets de polyester.
FR2335508A1 (fr) Procede de production d'un intermediaire de synthese de 9-hydroxydibenzo(b,d)pyranes
PT67656B (en) Process for producing d,1-5-methyltetrahydrofolic acid andits salts
FR2336412A1 (fr) Procede nouveau de synthese de la 3', 4'-didesoxykanamycine b''
FR2318136A1 (fr) Procede d'obtention de dimethyl-2,6 phenol techniquement pur a partir des residus de synthese d'orthocresol
FR2306962A1 (fr) Procede de preparation d'alkyleneglycols
FR2345418A1 (fr) Procede de conversion des xylenols en cresols
FR2334720A1 (fr) Procede d'obtention de colorants de triarylmethane
FR2314192A1 (fr) Procede de preparation d'oxaphospholannes-1,2
BE865532A (fr) Procede de preparation de 2,2-dimethylolalcanals
BE865728A (fr) Procede de preparation du 2,3-dimethylpentanal
FR2321471A1 (fr) Procede de preparation de 4,4'-dihydroxy-3,3',5,5'-tetralcoyl-diphenyl-alcanes
BE844259A (fr) Procede de preparation d'aldehydes &,b-ethyleniques
BE870562A (fr) Procede de preparation de 10,11-dihydro-5h-dibenzo(a,d) cycloheptene-5,10-imines substituees en position 5
FR2345419A1 (fr) Procede d'obtention de 2,6-di-tert-butylphenol
PL116458B2 (en) Process for preparing novel 2-/2',2',2'-trihalogenethyl/-4-halogencyclobutan-1-ones
JPS5212619A (en) Process for recovering pr group elements from waste pt catalyst
BE874638A (fr) Procede de preparation d'une 1,2-dioxime
FR2310335A1 (fr) Procede de preparation de 3,5-ditertiobutyl-4-hydroxybenzaldehyde a partir d'alcool 3,5-ditertiobutyl-4-hydroxybenzylique
BE848163A (fr) Procede de mise en forme d'un produit refendu,
BE863350A (fr) Procede de preparation du tetramethyl-diacetal de la cyclohexane-dione-1,4
BE873082A (fr) Procede de preparation d'ethers bis (n,n-dialcoylamino) alcoyliques
BE848721A (fr) Procede d'obtention de preparations a partir d'un systeme de deux phases,
BE843500A (fr) Procede de preparation d'oxaphospholannes-1,2,