GB1473935A - Preparation of terephthalic dialdehyde - Google Patents
Preparation of terephthalic dialdehydeInfo
- Publication number
- GB1473935A GB1473935A GB3409174A GB3409174A GB1473935A GB 1473935 A GB1473935 A GB 1473935A GB 3409174 A GB3409174 A GB 3409174A GB 3409174 A GB3409174 A GB 3409174A GB 1473935 A GB1473935 A GB 1473935A
- Authority
- GB
- United Kingdom
- Prior art keywords
- preparation
- terephthalic dialdehyde
- dialdehyde
- terephthalic
- water
- 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
Links
- ZNZYKNKBJPZETN-WELNAUFTSA-N Dialdehyde 11678 Chemical compound N1C2=CC=CC=C2C2=C1[C@H](C[C@H](/C(=C/O)C(=O)OC)[C@@H](C=C)C=O)NCC2 ZNZYKNKBJPZETN-WELNAUFTSA-N 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/42—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis
- C07C45/43—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by hydrolysis of >CX2 groups, X being halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2339086A DE2339086A1 (de) | 1973-08-02 | 1973-08-02 | Verfahren zur herstellung von terephthaldialdehyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1473935A true GB1473935A (en) | 1977-05-18 |
Family
ID=5888637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3409174A Expired GB1473935A (en) | 1973-08-02 | 1974-08-01 | Preparation of terephthalic dialdehyde |
Country Status (11)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4328374A (en) | 1979-07-05 | 1982-05-04 | Mitsubishi Gas Chemical Co., Inc. | Process for the production of aromatic dialdehydes |
| CN103896751A (zh) * | 2014-03-24 | 2014-07-02 | 福建远大医药科技有限公司 | 一种生产对苯二甲醛的母液循环套用工艺 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834051A1 (de) * | 1978-08-03 | 1980-02-21 | Dynamit Nobel Ag | Verfahren zur herstellung von terephthal-, isophthal- und phthaldialdehyd |
| DE2934614C2 (de) * | 1979-08-28 | 1982-05-06 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalaldehyd bzw. Isophthalaldehyd |
| KR101040700B1 (ko) * | 2006-11-16 | 2011-06-10 | 주식회사 엘지화학 | 테레프탈알데히드의 정제방법 |
| RU2568439C1 (ru) * | 2015-01-12 | 2015-11-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВПО "КНИТУ") | Способ получения терефталевого альдегида |
-
1973
- 1973-08-02 DE DE2339086A patent/DE2339086A1/de active Pending
-
1974
- 1974-06-10 SE SE7407621A patent/SE7407621L/xx not_active Application Discontinuation
- 1974-07-18 DK DK388974A patent/DK388974A/da unknown
- 1974-07-26 CH CH1033274A patent/CH593893A5/xx not_active IP Right Cessation
- 1974-07-31 IT IT52376/74A patent/IT1018783B/it active
- 1974-07-31 BE BE147115A patent/BE818295A/xx unknown
- 1974-08-01 GB GB3409174A patent/GB1473935A/en not_active Expired
- 1974-08-01 JP JP49088605A patent/JPS5041832A/ja active Pending
- 1974-08-01 FI FI2299/74A patent/FI229974A7/fi unknown
- 1974-08-01 FR FR7426787A patent/FR2239442B1/fr not_active Expired
- 1974-08-02 NL NL7410433A patent/NL7410433A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4328374A (en) | 1979-07-05 | 1982-05-04 | Mitsubishi Gas Chemical Co., Inc. | Process for the production of aromatic dialdehydes |
| CN103896751A (zh) * | 2014-03-24 | 2014-07-02 | 福建远大医药科技有限公司 | 一种生产对苯二甲醛的母液循环套用工艺 |
| CN103896751B (zh) * | 2014-03-24 | 2015-12-02 | 福建远大医药科技有限公司 | 一种生产对苯二甲醛的母液循环套用工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| DK388974A (enrdf_load_stackoverflow) | 1975-04-01 |
| NL7410433A (nl) | 1975-02-04 |
| BE818295A (fr) | 1974-11-18 |
| CH593893A5 (enrdf_load_stackoverflow) | 1977-12-30 |
| FR2239442A1 (enrdf_load_stackoverflow) | 1975-02-28 |
| FI229974A7 (enrdf_load_stackoverflow) | 1975-02-03 |
| FR2239442B1 (enrdf_load_stackoverflow) | 1978-08-11 |
| JPS5041832A (enrdf_load_stackoverflow) | 1975-04-16 |
| DE2339086A1 (de) | 1975-02-20 |
| IT1018783B (it) | 1977-10-20 |
| SE7407621L (enrdf_load_stackoverflow) | 1975-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |