DK587678A - Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyder - Google Patents
Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyderInfo
- Publication number
- DK587678A DK587678A DK587678A DK587678A DK587678A DK 587678 A DK587678 A DK 587678A DK 587678 A DK587678 A DK 587678A DK 587678 A DK587678 A DK 587678A DK 587678 A DK587678 A DK 587678A
- Authority
- DK
- Denmark
- Prior art keywords
- phthalaldehydes
- substituted
- procedure
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- 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
- C07C47/00—Compounds having —CHO groups
- C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
- C07C47/544—Diformyl benzenes; Alkylated derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C47/00—Compounds having —CHO groups
- C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
- C07C47/56—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing hydroxy groups
- C07C47/565—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing hydroxy groups all hydroxy groups bound to the ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/373—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in doubly bound form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1629877 | 1977-12-30 | ||
| CH360178 | 1978-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK587678A true DK587678A (da) | 1979-07-01 |
Family
ID=25693407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK587678A DK587678A (da) | 1977-12-30 | 1978-12-29 | Fremgangsmaade til fremstilling af eventuelt flere gange substitueret o-phthalaldehyder |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4206152A (da) |
| EP (1) | EP0003230B1 (da) |
| JP (1) | JPS5495532A (da) |
| DE (1) | DE2860613D1 (da) |
| DK (1) | DK587678A (da) |
| ES (1) | ES476420A1 (da) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2934614C2 (de) * | 1979-08-28 | 1982-05-06 | Dynamit Nobel Ag, 5210 Troisdorf | Verfahren zur Herstellung von Terephthalaldehyd bzw. Isophthalaldehyd |
| US4820829A (en) * | 1986-01-16 | 1989-04-11 | Ciba-Geigy Corporation | Substituted o-phthalaldehydes |
| US4845305A (en) * | 1988-07-07 | 1989-07-04 | National Starch And Chemical Corporation | Process for the preparation of isophthaladehyde |
| US5107032A (en) * | 1990-11-20 | 1992-04-21 | Noramco, Inc. | Process for the preparation of o-phthalaldehydes |
| US6891069B1 (en) * | 2004-01-30 | 2005-05-10 | Ethicon, Inc. | Synthesis of 4-substituted phthalaldehyde |
| AT502144A1 (de) | 2005-06-28 | 2007-01-15 | Dsm Fine Chem Austria Gmbh | Verfahren zur herstellung von hochreinem, halogenfreien o-phthalaldehyd |
| CN114524718B (zh) * | 2022-01-25 | 2023-09-22 | 上海巽田科技股份有限公司 | 一种由邻苯二甲酸二酯制备高纯邻苯二甲醛的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125561A (en) * | 1972-04-13 | 1978-11-14 | Dynamit Nobel Aktiengesellschaft | Process for production of terephthalic dialdehyde |
| US4079075A (en) * | 1975-11-06 | 1978-03-14 | The Dow Chemical Company | Primary alkyl esters as mediums for oxidations by phase-transfer catalyzed hypohalites |
-
1978
- 1978-12-16 EP EP78101723A patent/EP0003230B1/de not_active Expired
- 1978-12-16 DE DE7878101723T patent/DE2860613D1/de not_active Expired
- 1978-12-21 US US05/971,772 patent/US4206152A/en not_active Expired - Lifetime
- 1978-12-25 JP JP15873378A patent/JPS5495532A/ja active Pending
- 1978-12-28 ES ES476420A patent/ES476420A1/es not_active Expired
- 1978-12-29 DK DK587678A patent/DK587678A/da not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0003230A3 (en) | 1979-09-05 |
| US4206152A (en) | 1980-06-03 |
| DE2860613D1 (en) | 1981-04-30 |
| EP0003230B1 (de) | 1981-04-08 |
| JPS5495532A (en) | 1979-07-28 |
| ES476420A1 (es) | 1979-04-16 |
| EP0003230A2 (de) | 1979-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ATS | Application withdrawn |