BE823734A - Procede pour abisser le teneur en terephtalaldehydate de methyle dans le terephtalate de dimethyle - Google Patents

Procede pour abisser le teneur en terephtalaldehydate de methyle dans le terephtalate de dimethyle

Info

Publication number: BE823734A
Authority: BE; Belgium
Prior art keywords: terephtalaldehydate; methyl; reducing; content; dimethyl terephthalate
Prior art date: 1973-12-20

Application number

BE151838A

Other languages

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.)

1973-12-20

Filing date

1974-12-20

Publication date

1975-04-16

1974-12-20 Application filed filed Critical

1975-04-16 Publication of BE823734A publication Critical patent/BE823734A/fr

Links

WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title 2
WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical class [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

BE151838A 1973-12-20 1974-12-20 Procede pour abisser le teneur en terephtalaldehydate de methyle dans le terephtalate de dimethyle BE823734A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732363414 DE2363414C3 (de)	1973-12-20	1973-12-20	Verfahren zur Reinigung von Dimethylterephthalat durch Verringerung des Gehaltes an Terephthalaldehydsäuremethylester bzw. seines Dimethylacetals

Publications (1)

Publication Number	Publication Date
BE823734A true BE823734A (fr)	1975-04-16

Family

ID=5901340

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE151838A BE823734A (fr)	1973-12-20	1974-12-20	Procede pour abisser le teneur en terephtalaldehydate de methyle dans le terephtalate de dimethyle

Country Status (8)

Country	Link
JP (1)	JPS5095237A (fr)
BE (1)	BE823734A (fr)
DE (1)	DE2363414C3 (fr)
FR (1)	FR2255286A1 (fr)
GB (1)	GB1486320A (fr)
IT (1)	IT1026064B (fr)
NL (1)	NL7416593A (fr)
RO (1)	RO65160A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2442658A1 (fr) *	1978-11-30	1980-06-27	Chinoin Gyogyszer Es Vegyeszet	Procede pour la preparation de catalyseurs au palladium non-pyrophores

1973
- 1973-12-20 DE DE19732363414 patent/DE2363414C3/de not_active Expired
1974
- 1974-12-10 RO RO7480810A patent/RO65160A/fr unknown
- 1974-12-18 IT IT5462374A patent/IT1026064B/it active
- 1974-12-18 GB GB5458774A patent/GB1486320A/en not_active Expired
- 1974-12-19 FR FR7441997A patent/FR2255286A1/fr not_active Withdrawn
- 1974-12-19 NL NL7416593A patent/NL7416593A/xx not_active Application Discontinuation
- 1974-12-20 BE BE151838A patent/BE823734A/fr unknown
- 1974-12-20 JP JP14668074A patent/JPS5095237A/ja active Pending

Also Published As

Publication number	Publication date
RO65160A (fr)	1980-06-15
FR2255286A1 (fr)	1975-07-18
DE2363414C3 (de)	1980-07-10
GB1486320A (en)	1977-09-21
JPS5095237A (fr)	1975-07-29
IT1026064B (it)	1978-09-20
NL7416593A (nl)	1975-06-24
DE2363414B2 (de)	1979-10-25
DE2363414A1 (de)	1975-07-03

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