DE1057090B - Verfahren zur Herstellung von Terephthalsaeuredimethylester - Google Patents
Verfahren zur Herstellung von TerephthalsaeuredimethylesterInfo
- Publication number
- DE1057090B DE1057090B DEB44304A DEB0044304A DE1057090B DE 1057090 B DE1057090 B DE 1057090B DE B44304 A DEB44304 A DE B44304A DE B0044304 A DEB0044304 A DE B0044304A DE 1057090 B DE1057090 B DE 1057090B
- Authority
- DE
- Germany
- Prior art keywords
- terephthalic acid
- esterification
- methanol
- dimethyl terephthalate
- mol
- 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.)
- Pending
Links
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 45
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 34
- 238000005886 esterification reaction Methods 0.000 claims description 17
- 230000032050 esterification Effects 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- -1 methanol Chemical class 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1194045D FR1194045A (enrdf_load_html_response) | 1957-04-15 | ||
DEB44304A DE1057090B (de) | 1957-04-15 | 1957-04-15 | Verfahren zur Herstellung von Terephthalsaeuredimethylester |
GB575558A GB874436A (en) | 1957-04-15 | 1958-02-21 | Improvements in or relating to esterification of terephthalic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB44304A DE1057090B (de) | 1957-04-15 | 1957-04-15 | Verfahren zur Herstellung von Terephthalsaeuredimethylester |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1057090B true DE1057090B (de) | 1959-05-14 |
Family
ID=6967293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEB44304A Pending DE1057090B (de) | 1957-04-15 | 1957-04-15 | Verfahren zur Herstellung von Terephthalsaeuredimethylester |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1057090B (enrdf_load_html_response) |
FR (1) | FR1194045A (enrdf_load_html_response) |
GB (1) | GB874436A (enrdf_load_html_response) |
-
0
- FR FR1194045D patent/FR1194045A/fr not_active Expired
-
1957
- 1957-04-15 DE DEB44304A patent/DE1057090B/de active Pending
-
1958
- 1958-02-21 GB GB575558A patent/GB874436A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB874436A (en) | 1961-08-10 |
FR1194045A (enrdf_load_html_response) | 1959-11-06 |
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