ES8301873A2 - Procedimiento para preparar acido di-n-propilacetico - Google Patents

Procedimiento para preparar acido di-n-propilacetico

Info

Publication number
ES8301873A2
ES8301873A2 ES499362A ES49936281A ES8301873A2 ES 8301873 A2 ES8301873 A2 ES 8301873A2 ES 499362 A ES499362 A ES 499362A ES 49936281 A ES49936281 A ES 49936281A ES 8301873 A2 ES8301873 A2 ES 8301873A2
Authority
ES
Spain
Prior art keywords
acid
propyl
product
acetamide
reaction mixture
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
ES499362A
Other languages
English (en)
Other versions
ES499362A0 (es
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.)
Sanofi SA
Original Assignee
Sanofi SA
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 Sanofi SA filed Critical Sanofi SA
Publication of ES8301873A2 publication Critical patent/ES8301873A2/es
Publication of ES499362A0 publication Critical patent/ES499362A0/es
Granted legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/06Preparation 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)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE ACIDO DI-N-PROPILACETICO (CERTIFICADO DE ADICION DE LA PATENTE N<002> 467.890). CONSISTE EN LA REACCION DE HIDROLISIS DE DI-N-PROPILACETONITRILO EN UN MEDIO DE ACIDO SULFURICO CONCENTRADO; SEGUIDA DE LA DILUCION CON AGUA HASTA UNA CONCENTRACION DE ACIDO SULFURICO DEL 60%, E HIDROLISIS A REFLUJO, EN AUSENCIA DE NITRITO SODICO; Y SEPARACION POR MEDIO DE UN CHORRO DE VAPOR DE AGUA.
ES1981499362A 1980-02-13 1981-02-12 Procedimiento para preparar acido di-n-propilacetico Granted ES499362A0 (es)

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 (2)

Publication Number Publication Date
ES8301873A2 true ES8301873A2 (es) 1983-01-16
ES499362A0 ES499362A0 (es) 1983-01-16

Family

ID=9238525

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1981499362A Granted ES499362A0 (es) 1980-02-13 1981-02-12 Procedimiento para preparar acido di-n-propilacetico

Country Status (19)

Country Link
AR (1) AR225211A1 (es)
AT (1) AT370718B (es)
AU (1) AU535655B2 (es)
BE (1) BE887492A (es)
CH (1) CH646681A5 (es)
CS (1) CS217992B2 (es)
DK (1) DK154640C (es)
ES (1) ES499362A0 (es)
FR (1) FR2475536A2 (es)
GB (1) GB2068962B (es)
GR (1) GR73151B (es)
IE (1) IE50863B1 (es)
IT (1) IT1210984B (es)
NL (1) NL191439C (es)
NZ (1) NZ196174A (es)
PL (1) PL129543B3 (es)
PT (1) PT72486B (es)
SU (1) SU1060103A4 (es)
ZA (1) ZA81707B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
PL229649A3 (es) 1982-05-24
IE810264L (en) 1981-08-13
AT370718B (de) 1983-04-25
DK154640B (da) 1988-12-05
IT8119684A0 (it) 1981-02-12
NZ196174A (en) 1983-05-10
PL129543B3 (en) 1984-05-31
FR2475536B2 (es) 1985-05-24
ES499362A0 (es) 1983-01-16
DK154640C (da) 1989-05-22
DK53781A (da) 1981-08-14
AR225211A1 (es) 1982-02-26
FR2475536A2 (fr) 1981-08-14
ATA69381A (de) 1982-09-15
AU535655B2 (en) 1984-03-29
NL191439C (nl) 1995-07-04
IT1210984B (it) 1989-09-29
CS217992B2 (en) 1983-02-25
AU6722681A (en) 1981-08-20
CH646681A5 (fr) 1984-12-14
BE887492A (fr) 1981-08-12
GR73151B (es) 1984-02-10
NL8100623A (nl) 1981-09-16
SU1060103A4 (ru) 1983-12-07
ZA81707B (en) 1982-02-24
NL191439B (nl) 1995-03-01
PT72486B (en) 1982-02-05
GB2068962A (en) 1981-08-19
IE50863B1 (en) 1986-08-06
GB2068962B (en) 1983-10-12
PT72486A (en) 1981-03-01

Similar Documents

Publication Publication Date Title
ES8301873A2 (es) Procedimiento para preparar acido di-n-propilacetico
GB990918A (en) Improvements in the production of phosphine
ES474509A1 (es) Procedimiento para producir tiosulfato calcico de alta pure-za
JPS6430592A (en) Concentration and purification of alcohol
JPS5711971A (en) Preparation of pyrazinamide
JPS5748949A (en) Preparation of ethylenediaminetetraacetic acid alkali metal salt
JPS5373529A (en) Preparation of hydroquinone
JPS527915A (en) Process for preparation of higher fatty acid
JPS51138649A (en) P rocess for preparing cyclohexene
JPS53105471A (en) Preparation of cyclic ethers
JPS5585538A (en) Separation of cis- and trans-1-methyl-4-isohexyl- cyclohexanecarboxylic acid
JPS5430145A (en) Preparation of 1,5-and 1,8-dinitroanthraquinone
JPS5697239A (en) Recovering method of isooctyl alcohol
JPS5377007A (en) Continuous praparation of highly concentrated aqueous formic acid solution
JPS5445698A (en) Method of producing hydrate of alumina
JPS56161334A (en) Purifying method of methylnaphthalene
JPS55129240A (en) Preparation of glyoxylic acid
ES361890A1 (es) Procedimiento para la obtencion de tetroxido de dinitroge- no.
JPS55133336A (en) Preparation of organic amine
JPS5535040A (en) Esterification process
JPS55130808A (en) Manufacture of gallium phosphide
JPS5319191A (en) Recovering method for terephthalic acid production catalyst
JPS537619A (en) Novel preparation of alpha-mercaptoamino acid derivatives
JPS5250998A (en) Proces for recovering boric acid
JPS5564568A (en) Preparation of aminoaryl-beta-sulfate ethyl sulfone