ZA828224B - Process for the preparation of carboxylic acid anhydrides - Google Patents
Process for the preparation of carboxylic acid anhydridesInfo
- Publication number
- ZA828224B ZA828224B ZA828224A ZA828224A ZA828224B ZA 828224 B ZA828224 B ZA 828224B ZA 828224 A ZA828224 A ZA 828224A ZA 828224 A ZA828224 A ZA 828224A ZA 828224 B ZA828224 B ZA 828224B
- Authority
- ZA
- South Africa
- Prior art keywords
- carboxylic acid
- optionally substituted
- acid anhydrides
- general formula
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
-
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/68—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813144791 DE3144791A1 (de) | 1981-11-11 | 1981-11-11 | Verfahren zur herstellung von carbonsaeureanhydriden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA828224B true ZA828224B (en) | 1983-09-28 |
Family
ID=6146133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA828224A ZA828224B (en) | 1981-11-11 | 1982-11-10 | Process for the preparation of carboxylic acid anhydrides |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4470932A (pt) |
| EP (1) | EP0079005B1 (pt) |
| JP (1) | JPS5885836A (pt) |
| AT (1) | ATE18194T1 (pt) |
| BR (1) | BR8206537A (pt) |
| CA (1) | CA1195692A (pt) |
| DE (2) | DE3144791A1 (pt) |
| DK (1) | DK501482A (pt) |
| HU (1) | HU188223B (pt) |
| IL (1) | IL67197A0 (pt) |
| ZA (1) | ZA828224B (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549531A1 (de) * | 1991-12-20 | 1993-06-30 | Säurefabrik Schweizerhall | Verfahren zur Herstellung von Säureanhydriden |
| JP2549046B2 (ja) * | 1992-08-19 | 1996-10-30 | 第一工業製薬株式会社 | 混合酸無水物の製造方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE171146C (pt) * | ||||
| DE394730C (de) * | 1921-03-27 | 1924-05-09 | Consortium Elektrochem Ind | Verfahren zur Darstellung von Saeureanhydriden |
-
1981
- 1981-11-11 DE DE19813144791 patent/DE3144791A1/de not_active Withdrawn
-
1982
- 1982-10-22 US US06/436,093 patent/US4470932A/en not_active Expired - Fee Related
- 1982-10-29 DE DE8282109998T patent/DE3269453D1/de not_active Expired
- 1982-10-29 AT AT82109998T patent/ATE18194T1/de not_active IP Right Cessation
- 1982-10-29 EP EP82109998A patent/EP0079005B1/de not_active Expired
- 1982-11-05 JP JP57193567A patent/JPS5885836A/ja active Pending
- 1982-11-08 IL IL67197A patent/IL67197A0/xx unknown
- 1982-11-10 DK DK501482A patent/DK501482A/da not_active Application Discontinuation
- 1982-11-10 ZA ZA828224A patent/ZA828224B/xx unknown
- 1982-11-10 BR BR8206537A patent/BR8206537A/pt unknown
- 1982-11-10 CA CA000415310A patent/CA1195692A/en not_active Expired
- 1982-11-10 HU HU823616A patent/HU188223B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU188223B (en) | 1986-03-28 |
| DK501482A (da) | 1983-05-12 |
| ATE18194T1 (de) | 1986-03-15 |
| DE3144791A1 (de) | 1983-05-19 |
| US4470932A (en) | 1984-09-11 |
| CA1195692A (en) | 1985-10-22 |
| IL67197A0 (en) | 1983-03-31 |
| DE3269453D1 (en) | 1986-04-03 |
| BR8206537A (pt) | 1983-09-27 |
| EP0079005A1 (de) | 1983-05-18 |
| JPS5885836A (ja) | 1983-05-23 |
| EP0079005B1 (de) | 1986-02-26 |
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