ATE205178T1 - Verfahren zur herstellung von 3,4-dihydroxy-3- cyclobuten-1,2-dion - Google Patents
Verfahren zur herstellung von 3,4-dihydroxy-3- cyclobuten-1,2-dionInfo
- Publication number
- ATE205178T1 ATE205178T1 AT97915678T AT97915678T ATE205178T1 AT E205178 T1 ATE205178 T1 AT E205178T1 AT 97915678 T AT97915678 T AT 97915678T AT 97915678 T AT97915678 T AT 97915678T AT E205178 T1 ATE205178 T1 AT E205178T1
- Authority
- AT
- Austria
- Prior art keywords
- cyclobutene
- dione
- dihydroxy
- producing
- general formula
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
- C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring
-
- 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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/385—Saturated compounds containing a keto group being part of a ring
- C07C49/517—Saturated compounds containing a keto group being part of a ring containing ether groups, groups, groups, or groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/593—Unsaturated compounds containing a keto groups being part of a ring of a three- or four-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (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 |
|---|---|---|---|
| JP8641096 | 1996-04-09 | ||
| PCT/JP1997/001133 WO1997037961A1 (fr) | 1996-04-09 | 1997-04-02 | Procede de preparation de 3,4-dihydroxy-3-cyclobutene-1,2-dione |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE205178T1 true ATE205178T1 (de) | 2001-09-15 |
Family
ID=13886106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97915678T ATE205178T1 (de) | 1996-04-09 | 1997-04-02 | Verfahren zur herstellung von 3,4-dihydroxy-3- cyclobuten-1,2-dion |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5808166A (de) |
| EP (1) | EP0842919B1 (de) |
| JP (1) | JP4003817B2 (de) |
| KR (1) | KR100468288B1 (de) |
| CN (2) | CN1074760C (de) |
| AT (1) | ATE205178T1 (de) |
| AU (1) | AU705093B2 (de) |
| CA (1) | CA2223772C (de) |
| DE (1) | DE69706504T2 (de) |
| WO (1) | WO1997037961A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100540989B1 (ko) | 1997-09-05 | 2006-01-11 | 교와 핫꼬 케미칼 가부시키가이샤 | 3,4-디히드록시-3-시클로부텐-1,2-디온의 제조법 |
| JP5917274B2 (ja) * | 2011-04-28 | 2016-05-11 | 国立大学法人九州大学 | ヒドロゲル化剤 |
| CN103980106A (zh) * | 2014-04-15 | 2014-08-13 | 西北大学 | 一种合成单甲基环丁烯二酮的方法 |
| CN115710169A (zh) * | 2022-11-18 | 2023-02-24 | 北京成宇化工有限公司 | 一种方酸的制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820734B2 (ja) * | 1988-08-11 | 1996-03-04 | 富士写真フイルム株式会社 | 感光性組成物及びそれを用いた光重合性組成物 |
| EP0379200A3 (de) * | 1989-01-19 | 1991-11-13 | Mitsubishi Kasei Corporation | Photopolymerisierbare Zusammensetzung |
| JPH02306247A (ja) * | 1989-01-19 | 1990-12-19 | Mitsubishi Kasei Corp | 光重合性組成物 |
| IE64516B1 (en) * | 1990-02-12 | 1995-08-09 | Lonza Ag | A process for the preparation of quadratic acid |
| JP2604270B2 (ja) * | 1990-08-24 | 1997-04-30 | 靖二 中島 | 棒状装薬方式による安全装薬量決定方法 |
| JP2988756B2 (ja) * | 1991-04-26 | 1999-12-13 | 協和醗酵工業株式会社 | 光重合開始剤およびこれを含有する光重合性組成物 |
| JP3167376B2 (ja) * | 1991-10-03 | 2001-05-21 | 株式会社ジャパンエナジー | 芳香族炭化水素製造用触媒およびその製造方法並びにその触媒を用いた芳香族炭化水素の製造方法 |
| EP0838463B1 (de) * | 1992-04-24 | 2002-03-27 | Kyowa Hakko Kogyo Co., Ltd. | Squaryliumverbindungen und diese benutzende optische Informationsaufzeichnungsmittel |
-
1997
- 1997-04-02 WO PCT/JP1997/001133 patent/WO1997037961A1/ja active IP Right Grant
- 1997-04-02 CN CN97190331A patent/CN1074760C/zh not_active Expired - Fee Related
- 1997-04-02 EP EP97915678A patent/EP0842919B1/de not_active Expired - Lifetime
- 1997-04-02 CA CA002223772A patent/CA2223772C/en not_active Expired - Fee Related
- 1997-04-02 CN CNB011033584A patent/CN1169770C/zh not_active Expired - Fee Related
- 1997-04-02 AT AT97915678T patent/ATE205178T1/de active
- 1997-04-02 JP JP53604397A patent/JP4003817B2/ja not_active Expired - Fee Related
- 1997-04-02 KR KR1019970709150A patent/KR100468288B1/ko not_active IP Right Cessation
- 1997-04-02 AU AU23066/97A patent/AU705093B2/en not_active Ceased
- 1997-04-02 US US08/973,157 patent/US5808166A/en not_active Expired - Lifetime
- 1997-04-02 DE DE69706504T patent/DE69706504T2/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69706504T2 (de) | 2002-04-25 |
| KR19990022708A (ko) | 1999-03-25 |
| EP0842919A1 (de) | 1998-05-20 |
| KR100468288B1 (ko) | 2005-04-20 |
| CN1169770C (zh) | 2004-10-06 |
| CA2223772A1 (en) | 1997-10-16 |
| CN1074760C (zh) | 2001-11-14 |
| CA2223772C (en) | 2006-01-10 |
| AU705093B2 (en) | 1999-05-13 |
| DE69706504D1 (de) | 2001-10-11 |
| CN1317474A (zh) | 2001-10-17 |
| US5808166A (en) | 1998-09-15 |
| AU2306697A (en) | 1997-10-29 |
| WO1997037961A1 (fr) | 1997-10-16 |
| JP4003817B2 (ja) | 2007-11-07 |
| EP0842919B1 (de) | 2001-09-05 |
| CN1188469A (zh) | 1998-07-22 |
| EP0842919A4 (de) | 1999-02-03 |
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