GB1533818A - Process for the production of alpha-keto carboxylic acids - Google Patents

Process for the production of alpha-keto carboxylic acids

Info

Publication number
GB1533818A
GB1533818A GB23669/77A GB2366977A GB1533818A GB 1533818 A GB1533818 A GB 1533818A GB 23669/77 A GB23669/77 A GB 23669/77A GB 2366977 A GB2366977 A GB 2366977A GB 1533818 A GB1533818 A GB 1533818A
Authority
GB
United Kingdom
Prior art keywords
formula
alpha
production
dichloro
carboxylic acids
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
Application number
GB23669/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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 by Degussa GmbH filed Critical Degussa GmbH
Publication of GB1533818A publication Critical patent/GB1533818A/en
Expired legal-status Critical Current

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)
GB23669/77A 1977-02-25 1977-06-03 Process for the production of alpha-keto carboxylic acids Expired GB1533818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2708185A DE2708185C3 (de) 1977-02-25 1977-02-25 Verfahren zur Herstellung von α-Ketocarbonsäuren

Publications (1)

Publication Number Publication Date
GB1533818A true GB1533818A (en) 1978-11-29

Family

ID=6002153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23669/77A Expired GB1533818A (en) 1977-02-25 1977-06-03 Process for the production of alpha-keto carboxylic acids

Country Status (12)

Country Link
JP (1) JPS6055497B2 (fr)
AT (1) AT367014B (fr)
BE (1) BE855257A (fr)
CH (1) CH627430A5 (fr)
DD (1) DD131013A5 (fr)
DE (1) DE2708185C3 (fr)
FR (1) FR2381735A1 (fr)
GB (1) GB1533818A (fr)
IL (1) IL52239A (fr)
IT (1) IT1143581B (fr)
NL (1) NL7706161A (fr)
SU (1) SU793376A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141876A1 (fr) * 1983-11-15 1985-05-22 Ethyl Corporation Préparation d'acides cétoniques cycliques

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234739A (en) * 1978-12-05 1980-11-18 Stauffer Chemical Company Method for preparing glyoxylic acids and derivatives thereof
DE3003541A1 (de) * 1980-01-31 1981-08-06 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4-amino-6-tert.-butyl-3-methylthio-1,2,4-triazin-5(4h)-on
DE3009043A1 (de) * 1980-03-08 1981-09-24 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4-amino-6-tert.-butyl-3-methylthio-1,2,4-triazin-5(4h)-on
DE3134230A1 (de) * 1981-08-29 1983-03-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 4-methyl-5-oxo-3-thioxo-tetrahydro-1,2,4-(2h,4h)-triazinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141876A1 (fr) * 1983-11-15 1985-05-22 Ethyl Corporation Préparation d'acides cétoniques cycliques

Also Published As

Publication number Publication date
DE2708185A1 (de) 1978-08-31
CH627430A5 (en) 1982-01-15
DE2708185C3 (de) 1981-06-04
JPS53105423A (en) 1978-09-13
NL7706161A (nl) 1978-08-29
SU793376A3 (ru) 1980-12-30
IT1143581B (it) 1986-10-22
BE855257A (fr) 1977-11-30
ATA392777A (de) 1981-10-15
AT367014B (de) 1982-05-25
DD131013A5 (de) 1978-05-24
FR2381735A1 (fr) 1978-09-22
FR2381735B1 (fr) 1980-01-18
IL52239A0 (en) 1977-08-31
DE2708185B2 (de) 1978-11-30
IL52239A (en) 1980-11-30
JPS6055497B2 (ja) 1985-12-05

Similar Documents

Publication Publication Date Title
GB1495064A (en) Trimethylheptadiene derivatives and the manufacture of lavandulol and its esters therefrom
GB1533818A (en) Process for the production of alpha-keto carboxylic acids
ES8609195A1 (es) Un nuevo procedimiento para la preparacion de derivados del acido cicloalquilidenmetilfenilacetico.
GB1259747A (en) Process for the preparation of aliphatic tertiary amides
ATE4118T1 (de) Verfahren zur herstellung von 17 alpha-hydroxyund 17a alpha-hydroxy-d-homo-etiocarbonsaeuren.
JPS5612355A (en) Manufacture of optically active alphaacyanoalcohol
JPS577438A (en) Production of acid chloride
GB744582A (en) Improvements in and relating to the production of unsaturated acids and esters
ES483369A1 (es) Procedimiento para la obtencion de esteres de glicidilo de acido maleico
JPS53108933A (en) Production of amidinoformic acid derivative
DE3260852D1 (en) Epimerisation of trans chrysanthemic acids and intermediates obtained therefrom
JPS5735556A (en) Preparation of guanidinomethylcyclohexanecarboxylic acid ester
ES485956A1 (es) Procedimiento para la preparacion de esteres basicos
ES471783A1 (es) Procedimiento de preparacion de n,n-bis-(3-oxazolidinil-2- ona) fosforanos-p-triclorados para su aplicacion a la obten-cion de amidas y esteres
GB722594A (en) Improvements in the manufacture of cellulose esters
GB1107572A (en) Process for the manufacture of n-acyl taurides
GB747417A (en) Improvements in or relating to the production of phthalic acids
SU497282A1 (ru) Способ получени моно- и /или поликарбоновых кислот
JPS5430128A (en) Preparation of water impregnated substance of diperisophthalic acid tent-butyl ester
ES483366A1 (es) Procedimiento para la obtencion de esteres de glicidilo de acidos policarboxilicos cicloalifaticos
JPS5562186A (en) Preparation of 1,2,3,4-butane tetracarboxylic acid anhidride
JPS57149253A (en) Preparation of nitroacetic esters
GB729854A (en) Improvements in or relating to methods of producing 2.4.5-trichlorophenoxyalkanecarboxylic acids or salts or esters thereof
JPS53105471A (en) Preparation of cyclic ethers
DE3862848D1 (de) Verfahren zur herstellung von carbonsaeurechloriden.

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee