DE847744C - Process for the preparation of dichloroacetimido ethers - Google Patents

Process for the preparation of dichloroacetimido ethers

Info

Publication number
DE847744C
DE847744C DEH7421A DEH0007421A DE847744C DE 847744 C DE847744 C DE 847744C DE H7421 A DEH7421 A DE H7421A DE H0007421 A DEH0007421 A DE H0007421A DE 847744 C DE847744 C DE 847744C
Authority
DE
Germany
Prior art keywords
preparation
ethers
dichloroacetimido
ether
moisture
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
DEH7421A
Other languages
German (de)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of DE847744C publication Critical patent/DE847744C/en
Expired legal-status Critical Current

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  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Verfahren zur Herstellung von Dichloracetimidoäthern I)ie vorliegende h.rtindung betrifft die Gewin- nung vont 1)icliloracetinii(loätliern in Form ihrer l lalm@renhwlr-.ne. l':; \vui de gefunden, daß die neuen Äther, insbe- sondere 1)icliloi-ricetimi(loalkylätlier, dadurch herge- stellt werden können. dafi inan Halogenwasserstoff, z. 1i. Clilorwasserstoft, lief niedriger Temperatur und unter :\usschaltung von Feuchtigkeit auf ein Gemisch \oti 1)icliloracetoriitril mit einem Alkohol, z. 1i. Ätliaitol1, einwirken läßt. Man wählt zweck- einen Temperaturbereich von o bis 2o, C, I )]e iuueii \'erlün<lungen sind als Zwischenpro- (ltikte, z. l;. für die Herstellung pharmazeutisch wirksainer Stortte. @erwendliar. 1ieisl) iel i i<@ ichtsteile 1)iclil(iracetonitril. .47 Ge- uicht,#teiie ;il):oluter .\Ikrr1url und Zoo Raumteile absoluter :lther «-erden tnit einer Eis-Kochsalz-.\iiscliting gekühlt und während 5 Stunden mit trockenem Salzsäuregas gesättigt. Das Ausfällungsprodukt, 1)ichloracetimidoäthylätherliydrochlorid, wird abgesaugt, mit too Raumteilen absohitein Äther gewaschen und über festem Kaliumlivclrox% d im Vakuum getrocknet. Schmelzpunkt 8 3 his ()o' C.Process for the preparation of dichloroacetimido ethers I) The present statement concerns the profit tion of 1) icliloracetinii (loätliern in the form of their l lalm@renhwlr-.ne. l ':; \ vui de found that the new ethers, especially special 1) icliloi-ricetimi (loalkylätlier, thus produced can be provided. dafi inan hydrogen halide, z. 1i. Clilor hydrogen, ran lower temperature and under: \ switch off moisture on Mixture \ oti 1) icliloracetoriitril with an alcohol, z. 1i. Ätliaitol1. One chooses purposeful a temperature range from o to 2o, C, I)] e iuueii \ 'explanations are as interim pro- (ltikte, z. l ;. for manufacturing pharmaceutical effective Stortte. @erwendliar. 1ieisl ) iel i i <@ ichtsteile 1) iclil (iracetonitril. .47 Ge uicht, # teiie; il): oluter. \ Ikrr1url and Zoo Raumteile Absolute: ether "earth with an ice-table salt. \ iiscliting cooled and saturated with dry hydrochloric acid gas for 5 hours. The precipitate, 1) chloroacetimidoethyl ether hydrochloride, is filtered off with suction, washed with too much space in ether and dried over solid potassium hydroxide% d in vacuo. Melting point 8 3 his () o 'C.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung von Dichloracetiniidoätlieril, dadurch gekennzeichnet, daß man auf ein Gemisch von Dichloracetonitril und einem Alkohol Halogenwasserstoff bei niedriger Temperatur und unter Ausschluß von Feuchtigkeit einwirken läßt. Claim: Process for the preparation of dichloroacetiniidoätlieril, characterized in that a mixture of dichloroacetonitrile and an alcohol is allowed to act on hydrogen halide at low temperature and with exclusion of moisture.
DEH7421A 1950-03-10 1951-02-02 Process for the preparation of dichloroacetimido ethers Expired DE847744C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH847744X 1950-03-10

Publications (1)

Publication Number Publication Date
DE847744C true DE847744C (en) 1952-08-28

Family

ID=4542000

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH7421A Expired DE847744C (en) 1950-03-10 1951-02-02 Process for the preparation of dichloroacetimido ethers

Country Status (1)

Country Link
DE (1) DE847744C (en)

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