CH646681A5 - Procede pour la preparation de l'acide di-n-propylacetique et de ses sels. - Google Patents
Procede pour la preparation de l'acide di-n-propylacetique et de ses sels. Download PDFInfo
- Publication number
- CH646681A5 CH646681A5 CH88681A CH88681A CH646681A5 CH 646681 A5 CH646681 A5 CH 646681A5 CH 88681 A CH88681 A CH 88681A CH 88681 A CH88681 A CH 88681A CH 646681 A5 CH646681 A5 CH 646681A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- dipropylacetic
- crude
- reflux
- sodium
- 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
- C07C51/06—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8003115A FR2475536A2 (fr) | 1980-02-13 | 1980-02-13 | Procede de preparation de l'acide di-n-propylacetique et de ses sels de metaux alcalins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH646681A5 true CH646681A5 (fr) | 1984-12-14 |
Family
ID=9238525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH88681A CH646681A5 (fr) | 1980-02-13 | 1981-02-10 | Procede pour la preparation de l'acide di-n-propylacetique et de ses sels. |
Country Status (19)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200848A (zh) * | 2021-03-29 | 2021-08-03 | 上海青平药业有限公司 | 一种丙戊酸制备新方法 |
| CN113173845A (zh) * | 2021-03-29 | 2021-07-27 | 上海青平药业有限公司 | 一种制备丙戊酸的方法 |
-
1980
- 1980-02-13 FR FR8003115A patent/FR2475536A2/fr active Granted
-
1981
- 1981-02-03 NZ NZ196174A patent/NZ196174A/xx unknown
- 1981-02-03 ZA ZA00810707A patent/ZA81707B/xx unknown
- 1981-02-06 DK DK053781A patent/DK154640C/da not_active IP Right Cessation
- 1981-02-10 CH CH88681A patent/CH646681A5/fr not_active IP Right Cessation
- 1981-02-10 NL NL8100623A patent/NL191439C/xx not_active IP Right Cessation
- 1981-02-11 GB GB8104287A patent/GB2068962B/en not_active Expired
- 1981-02-11 CS CS811001A patent/CS217992B2/cs unknown
- 1981-02-11 PT PT72486A patent/PT72486B/pt unknown
- 1981-02-12 BE BE0/203775A patent/BE887492A/fr not_active IP Right Cessation
- 1981-02-12 AR AR284274A patent/AR225211A1/es active
- 1981-02-12 PL PL1981229649A patent/PL129543B3/pl unknown
- 1981-02-12 GR GR64108A patent/GR73151B/el unknown
- 1981-02-12 ES ES1981499362A patent/ES499362A0/es active Granted
- 1981-02-12 AU AU67226/81A patent/AU535655B2/en not_active Expired
- 1981-02-12 SU SU813248453A patent/SU1060103A4/ru active
- 1981-02-12 IT IT8119684A patent/IT1210984B/it active
- 1981-02-12 IE IE264/81A patent/IE50863B1/en not_active IP Right Cessation
- 1981-02-13 AT AT0069381A patent/AT370718B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES8301873A2 (es) | 1983-01-16 |
| DK154640C (da) | 1989-05-22 |
| DK53781A (da) | 1981-08-14 |
| PT72486A (en) | 1981-03-01 |
| CS217992B2 (en) | 1983-02-25 |
| PT72486B (en) | 1982-02-05 |
| PL129543B3 (en) | 1984-05-31 |
| BE887492A (fr) | 1981-08-12 |
| IE50863B1 (en) | 1986-08-06 |
| AU6722681A (en) | 1981-08-20 |
| AR225211A1 (es) | 1982-02-26 |
| FR2475536B2 (US06566495-20030520-M00011.png) | 1985-05-24 |
| NL191439B (nl) | 1995-03-01 |
| NL191439C (nl) | 1995-07-04 |
| PL229649A3 (US06566495-20030520-M00011.png) | 1982-05-24 |
| GR73151B (US06566495-20030520-M00011.png) | 1984-02-10 |
| ZA81707B (en) | 1982-02-24 |
| DK154640B (da) | 1988-12-05 |
| IT1210984B (it) | 1989-09-29 |
| ES499362A0 (es) | 1983-01-16 |
| NL8100623A (nl) | 1981-09-16 |
| IE810264L (en) | 1981-08-13 |
| ATA69381A (de) | 1982-09-15 |
| AU535655B2 (en) | 1984-03-29 |
| GB2068962B (en) | 1983-10-12 |
| FR2475536A2 (fr) | 1981-08-14 |
| NZ196174A (en) | 1983-05-10 |
| AT370718B (de) | 1983-04-25 |
| IT8119684A0 (it) | 1981-02-12 |
| GB2068962A (en) | 1981-08-19 |
| SU1060103A4 (ru) | 1983-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110785402B (zh) | 一种分离长链氨基酸和二元酸的工艺 | |
| KR960000841A (ko) | 고순도 아세트산의 제조방법 | |
| FI63927B (fi) | Foerfarande foer framstaellning av di-n-propyl-aettikssyra ochdess salter | |
| JP2015507615A (ja) | 液−液抽出によるバニリンの精製方法 | |
| US8822716B2 (en) | Intermediate of cilastatin and preparation method thereof | |
| US4228299A (en) | Chemical process for preparing alkyl esters or the amide of 3-(β,.beta. | |
| US2480380A (en) | Recovery of cyanoacetic acid from aqueous inorganic salt solutions | |
| CH646681A5 (fr) | Procede pour la preparation de l'acide di-n-propylacetique et de ses sels. | |
| EP0206953B1 (fr) | Procédé de préparation de trifluoroacétoacétate d'éthyle | |
| SU464995A3 (ru) | Способ получени -(аминофенил)алифатических карбоновых кислот | |
| Jacobs | The Isolation of 1, 2-Diketones from the Ozonization of Disubstituted Acetylenes | |
| EP0222673B1 (fr) | Procédé de préparation de sels alcalins de l'acide trifluoroacétique à l'état anhydre et cristallisé | |
| JP4380002B2 (ja) | プロピオール酸アルカリ金属塩の製造方法 | |
| LU83148A1 (fr) | Procede pour la preparation de derives d'acide acetique | |
| CA1190561A (en) | Process for the production of 3, 3-dimethylglutaric acid or its esters | |
| JPH01502821A (ja) | コハク酸以外のカルボン酸類とコハク酸の混合物からコハク酸の回収方法 | |
| Stephen et al. | XXXII.—αδ-Derivatives of adipic and β-methyladipic acids, and the preparation of muconic and β-methylmuconic acids | |
| GB1591715A (en) | Process for the preparation of cyclopropane derivatives | |
| JP3780703B2 (ja) | ２−ブチルオクタン二酸の製造法 | |
| US6274766B1 (en) | Process for purifying α-keto acids | |
| FR2673942A1 (fr) | Procede de preparation de l'acide (e)-propyl-2 pentene-2 ouique et composes intermediaires. | |
| US4511734A (en) | Process for the production of 3,3-dimethylglutaric | |
| EP0047693B1 (fr) | Procédé de fabrication d'acides hydroxyarylglyoxyliques et de leurs sels alcalins et son application à la fabrication du para-hydroxyphénylglyoxylate de sodium | |
| BE823455A (fr) | Procede de fabrication de resorcinol | |
| SU1058964A1 (ru) | Способ выделени метанола |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |