GB1503649A - Process for the preparation of alpha-keto acids - Google Patents
Process for the preparation of alpha-keto acidsInfo
- Publication number
- GB1503649A GB1503649A GB28867/74A GB2886774A GB1503649A GB 1503649 A GB1503649 A GB 1503649A GB 28867/74 A GB28867/74 A GB 28867/74A GB 2886774 A GB2886774 A GB 2886774A GB 1503649 A GB1503649 A GB 1503649A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formula
- keto acids
- preparation
- nitrite salt
- june
- 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
- 150000004716 alpha keto acids Chemical class 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 150000002826 nitrites Chemical class 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 1
- -1 alkaline earth metal salt Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 125000002837 carbocyclic group Chemical group 0.000 abstract 1
- 125000002541 furyl group Chemical group 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- ORTFAQDWJHRMNX-UHFFFAOYSA-N hydroxidooxidocarbon(.) Chemical compound O[C]=O ORTFAQDWJHRMNX-UHFFFAOYSA-N 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 125000001544 thienyl group Chemical group 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
-
- 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
- C07D307/38—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 substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/54—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
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)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Furan Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28867/74A GB1503649A (en) | 1974-06-28 | 1974-06-28 | Process for the preparation of alpha-keto acids |
| US05/587,813 US4013680A (en) | 1974-06-28 | 1975-06-18 | Process for the preparation of aromatic α-keto carboxylic acids |
| CH839975A CH615147A5 (enEXAMPLES) | 1974-06-28 | 1975-06-27 | |
| FR7520242A FR2276283A1 (fr) | 1974-06-28 | 1975-06-27 | Preparation d'acides carboxyliques, notamment d'a-ceto-acides |
| BE157803A BE830781A (fr) | 1974-06-28 | 1975-06-27 | Preparation d'acides carboxyliques, plus particulierement preparation d'alpha-ceto-acides |
| JP50079472A JPS5946935B2 (ja) | 1974-06-28 | 1975-06-27 | α−ケト酸の製法 |
| NL7507668A NL7507668A (nl) | 1974-06-28 | 1975-06-27 | Werkwijze ter bereiding van carbonzuren. |
| DE19752528786 DE2528786A1 (de) | 1974-06-28 | 1975-06-27 | Verfahren zur herstellung von alpha-ketosaeuren |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB28867/74A GB1503649A (en) | 1974-06-28 | 1974-06-28 | Process for the preparation of alpha-keto acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1503649A true GB1503649A (en) | 1978-03-15 |
Family
ID=10282438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28867/74A Expired GB1503649A (en) | 1974-06-28 | 1974-06-28 | Process for the preparation of alpha-keto acids |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4013680A (enEXAMPLES) |
| JP (1) | JPS5946935B2 (enEXAMPLES) |
| BE (1) | BE830781A (enEXAMPLES) |
| CH (1) | CH615147A5 (enEXAMPLES) |
| DE (1) | DE2528786A1 (enEXAMPLES) |
| FR (1) | FR2276283A1 (enEXAMPLES) |
| GB (1) | GB1503649A (enEXAMPLES) |
| NL (1) | NL7507668A (enEXAMPLES) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2387978A1 (fr) * | 1977-04-19 | 1978-11-17 | Hoechst France | Procede de fabrication du thienyl-2 acetate de methyle |
| GB8609452D0 (en) * | 1986-04-17 | 1986-05-21 | Ici Plc | Fungicides |
| JPH02155241A (ja) * | 1988-12-07 | 1990-06-14 | Matsushita Electric Ind Co Ltd | リードフレームの送出装置 |
| WO1993017989A1 (en) * | 1992-03-13 | 1993-09-16 | Hoechst Celanese Corporation | Preparation of substituted or unsubstituted phenylglyoxals |
| US5319142A (en) * | 1992-10-06 | 1994-06-07 | Hoechst Celanese Corporation | Process for preparing substituted and unsubstituted arylalkylamines |
| US5939581A (en) * | 1997-08-20 | 1999-08-17 | First Chemical Corporation | Processes for preparing hydrocinnamic acid |
| IT1297038B1 (it) * | 1997-12-30 | 1999-08-03 | Medidom Lab | Procedimento per la preparazione di reina e suoi diacilderivati |
| US6274766B1 (en) * | 1999-05-19 | 2001-08-14 | Bayer Corporation | Process for purifying α-keto acids |
| CN110590719B (zh) * | 2019-08-15 | 2022-04-19 | 安徽金禾实业股份有限公司 | 一种制备2-呋喃乙酮酸的绿色方法 |
-
1974
- 1974-06-28 GB GB28867/74A patent/GB1503649A/en not_active Expired
-
1975
- 1975-06-18 US US05/587,813 patent/US4013680A/en not_active Expired - Lifetime
- 1975-06-27 JP JP50079472A patent/JPS5946935B2/ja not_active Expired
- 1975-06-27 DE DE19752528786 patent/DE2528786A1/de not_active Withdrawn
- 1975-06-27 CH CH839975A patent/CH615147A5/de not_active IP Right Cessation
- 1975-06-27 BE BE157803A patent/BE830781A/xx not_active IP Right Cessation
- 1975-06-27 FR FR7520242A patent/FR2276283A1/fr active Granted
- 1975-06-27 NL NL7507668A patent/NL7507668A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| CH615147A5 (enEXAMPLES) | 1980-01-15 |
| FR2276283B1 (enEXAMPLES) | 1980-07-18 |
| NL7507668A (nl) | 1975-12-30 |
| FR2276283A1 (fr) | 1976-01-23 |
| BE830781A (fr) | 1975-12-29 |
| DE2528786A1 (de) | 1976-01-15 |
| JPS5946935B2 (ja) | 1984-11-15 |
| JPS5123238A (en) | 1976-02-24 |
| US4013680A (en) | 1977-03-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| 704A | Declaration that licence is not available as of right for an excepted use (par. 4a/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |