BE830781A - Preparation d'acides carboxyliques, plus particulierement preparation d'alpha-ceto-acides - Google Patents

Preparation d'acides carboxyliques, plus particulierement preparation d'alpha-ceto-acides

Info

Publication number
BE830781A
BE830781A BE157803A BE157803A BE830781A BE 830781 A BE830781 A BE 830781A BE 157803 A BE157803 A BE 157803A BE 157803 A BE157803 A BE 157803A BE 830781 A BE830781 A BE 830781A
Authority
BE
Belgium
Prior art keywords
preparation
acids
keto
alpha
carboxylic acids
Prior art date
Application number
BE157803A
Other languages
English (en)
French (fr)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE830781A publication Critical patent/BE830781A/xx

Links

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)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
BE157803A 1974-06-28 1975-06-27 Preparation d'acides carboxyliques, plus particulierement preparation d'alpha-ceto-acides BE830781A (fr)

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
BE830781A true BE830781A (fr) 1975-12-29

Family

ID=10282438

Family Applications (1)

Application Number Title Priority Date Filing Date
BE157803A BE830781A (fr) 1974-06-28 1975-06-27 Preparation d'acides carboxyliques, plus particulierement preparation d'alpha-ceto-acides

Country Status (8)

Country Link
US (1) US4013680A (nl)
JP (1) JPS5946935B2 (nl)
BE (1) BE830781A (nl)
CH (1) CH615147A5 (nl)
DE (1) DE2528786A1 (nl)
FR (1) FR2276283A1 (nl)
GB (1) GB1503649A (nl)
NL (1) NL7507668A (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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
JPH07504656A (ja) * 1992-03-13 1995-05-25 ヘキスト・セラニーズ・コーポレーション 置換および非置換フェニルグリオキサールを対応する置換および非置換アセトフェノンから製造する方法
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

Also Published As

Publication number Publication date
DE2528786A1 (de) 1976-01-15
US4013680A (en) 1977-03-22
NL7507668A (nl) 1975-12-30
FR2276283B1 (nl) 1980-07-18
CH615147A5 (nl) 1980-01-15
JPS5946935B2 (ja) 1984-11-15
JPS5123238A (en) 1976-02-24
GB1503649A (en) 1978-03-15
FR2276283A1 (fr) 1976-01-23

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GLAXO LABORATORIES LTD

Effective date: 19860630