FR2419931A1 - Procede pour la fabrication d'acides cyanocarboxyliques - Google Patents

Procede pour la fabrication d'acides cyanocarboxyliques

Info

Publication number
FR2419931A1
FR2419931A1 FR7902931A FR7902931A FR2419931A1 FR 2419931 A1 FR2419931 A1 FR 2419931A1 FR 7902931 A FR7902931 A FR 7902931A FR 7902931 A FR7902931 A FR 7902931A FR 2419931 A1 FR2419931 A1 FR 2419931A1
Authority
FR
France
Prior art keywords
manufacture
acids
cyanocarboxylic
cyanocarboxylic acids
reaction
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.)
Withdrawn
Application number
FR7902931A
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
Deutsche Gold und Silber Scheideanstalt
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, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Publication of FR2419931A1 publication Critical patent/FR2419931A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

a. Procédé pour la fabrication d'acides cyanocarboxyliques. b. Procédé pour la préparation d'acides cyanocarboxyliques par réaction d'acides halogénocarboxyliques avec une substance fournissant des ions cyanure, caractérisé en ce que la réaction s'effectue avec des cyanhydrines. c. Obtention d'acide cyanacétique de grande pureté avec un très bon rendement.
FR7902931A 1978-03-17 1979-02-05 Procede pour la fabrication d'acides cyanocarboxyliques Withdrawn FR2419931A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782811702 DE2811702A1 (de) 1978-03-17 1978-03-17 Verfahren zur herstellung von cyancarbonsaeuren

Publications (1)

Publication Number Publication Date
FR2419931A1 true FR2419931A1 (fr) 1979-10-12

Family

ID=6034749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902931A Withdrawn FR2419931A1 (fr) 1978-03-17 1979-02-05 Procede pour la fabrication d'acides cyanocarboxyliques

Country Status (8)

Country Link
US (1) US4222956A (fr)
JP (1) JPS54128518A (fr)
BE (1) BE874924A (fr)
DE (1) DE2811702A1 (fr)
FR (1) FR2419931A1 (fr)
GB (1) GB2016458B (fr)
IT (1) IT1188820B (fr)
NL (1) NL7900317A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764378A (en) * 1986-02-10 1988-08-16 Zetachron, Inc. Buccal drug dosage form

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338834A (en) * 1942-04-17 1944-01-11 Dow Chemical Co Recovery of cyanoacetic acid from aqueous inorganic salt solutions thereof
US2480380A (en) * 1947-06-18 1949-08-30 Kay Fries Chemicals Inc Recovery of cyanoacetic acid from aqueous inorganic salt solutions
US2985682A (en) * 1958-12-31 1961-05-23 Monsanto Chemicals Method of making cyanoacetic acid esters
DE1210789B (de) * 1964-05-08 1966-02-17 Knapsack Ag Verfahren zur Herstellung von Cyanessigsaeureestern
DE1272914B (de) * 1964-08-12 1968-07-18 Knapsack Ag Verfahren zur Herstellung von Cyanessigsaeureestern
US3375268A (en) * 1964-08-27 1968-03-26 Kay Fries Chemicals Inc Process for producing cyanoacetic acid
NL6815349A (fr) * 1968-10-26 1970-04-28
US3655723A (en) * 1969-10-31 1972-04-11 Du Pont Hydrocyanation of olefins
US3798256A (en) * 1971-08-02 1974-03-19 Du Pont Hydrocyanation of olefins

Also Published As

Publication number Publication date
US4222956A (en) 1980-09-16
GB2016458A (en) 1979-09-26
IT7948358A0 (it) 1979-03-15
BE874924A (fr) 1979-09-17
IT1188820B (it) 1988-01-28
NL7900317A (nl) 1979-09-19
DE2811702A1 (de) 1979-09-20
JPS54128518A (en) 1979-10-05
GB2016458B (en) 1982-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse