CH495974A - Verfahren zur Herstellung von neuen y-Aryl-a,B-dihalogen- a,B-crotonlaktonen - Google Patents

Verfahren zur Herstellung von neuen y-Aryl-a,B-dihalogen- a,B-crotonlaktonen

Info

Publication number
CH495974A
CH495974A CH201468A CH201468A CH495974A CH 495974 A CH495974 A CH 495974A CH 201468 A CH201468 A CH 201468A CH 201468 A CH201468 A CH 201468A CH 495974 A CH495974 A CH 495974A
Authority
CH
Switzerland
Prior art keywords
general formula
alkoxy group
carbon atoms
hydrolysis
lactone
Prior art date
Application number
CH201468A
Other languages
German (de)
English (en)
Inventor
Semonsky Miroslav Dr Dipl-Ing
Viktor Dipl Ing Zikan
Vaclav Jelinek Mudr
Original Assignee
Spofa Vereinigte Pharma Werke
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 Spofa Vereinigte Pharma Werke filed Critical Spofa Vereinigte Pharma Werke
Publication of CH495974A publication Critical patent/CH495974A/de

Links

Classifications

    • 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
    • C07D307/56—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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/58—One oxygen atom, e.g. butenolide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/76—Unsaturated compounds containing keto groups
    • C07C59/90—Unsaturated compounds containing keto groups containing singly bound oxygen-containing groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH201468A 1967-02-17 1968-02-12 Verfahren zur Herstellung von neuen y-Aryl-a,B-dihalogen- a,B-crotonlaktonen CH495974A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS117367 1967-02-17
CS526567 1967-07-18

Publications (1)

Publication Number Publication Date
CH495974A true CH495974A (de) 1970-09-15

Family

ID=25745395

Family Applications (1)

Application Number Title Priority Date Filing Date
CH201468A CH495974A (de) 1967-02-17 1968-02-12 Verfahren zur Herstellung von neuen y-Aryl-a,B-dihalogen- a,B-crotonlaktonen

Country Status (4)

Country Link
CH (1) CH495974A (da)
DK (2) DK130923B (da)
ES (1) ES350568A1 (da)
FI (1) FI49511C (da)

Also Published As

Publication number Publication date
DK130923C (da) 1975-10-06
DK129786C (da) 1975-04-28
FI49511C (fi) 1975-07-10
ES350568A1 (es) 1969-05-16
DK129786B (da) 1974-11-18
DK130923B (da) 1975-05-05
FI49511B (da) 1975-04-01

Similar Documents

Publication Publication Date Title
DE2356655C3 (de) Substituierte Phenoxy-α-methylpropionsäure-Derivate, Verfahren zu ihrer Herstellung und diese enthaltende Arzneimittel
DE2425983B2 (de) Sulfonsaeuresalze von acylcholinen, verfahren zu ihrer herstellung und diese enthaltende pharmazeutische zusammensetzung
DE2431192C2 (de) O,O-DiäthylS-[6-chlor-1,3-benzoxazolon-3-yl-methyl]-dithiophosphat
DE2058248A1 (de) Lacton
DE3102769A1 (de) "bis-moranolinderivate"
DE1958514C3 (de) Apovincaminsaureamid
DE2241680C2 (de) 17-Hydroxy-7-alkoxycarbonyl-3-oxo-17α-pregn-4-en-21-carbonsäure-γ-Lactone und Verfahren und Zwischenprodukte zu ihrer Herstellung
CH495974A (de) Verfahren zur Herstellung von neuen y-Aryl-a,B-dihalogen- a,B-crotonlaktonen
DD202431A5 (de) Verfahren zur herstellung von neuen freie carboxygruppen enthaltenden hexiten
AT288363B (de) Verfahren zur Herstellung von neuen β-Aroyl- β-halogenacrylsäuren
AT210870B (de) Verfahren zur Herstellung von neuen halogenierten 5,6-Dimethylen-bicyclo-[2,2,1]-heptenen-(2)
DE2065698B2 (de) Verfahren zur Herstellung von 2-Isopropyl-6-methyl-4(3H)-pyrimidon
DE1960130A1 (de) Neue Verfahren zur Herstellung von N-(Diaethylaminoaethyl)-4-amino-5-chloro-2-methoxybenzamid
AT326638B (de) Verfahren zur herstellung von n(beta-diäthylaminoäthyl) -4-amino-5-chlor-2-methoxybenzamid
DE928286C (de) Verfahren zur Herstellung eines neuen, analgetisch wirksamen 1-Phenyl-pyrazolderivates
DE855858C (de) Verfahren zur Herstellung eines Phenolesters
DE750481C (de) Verfahren zur Herstellung von in waessrigen Loesungen bestaendigen Abkoemmlingen des2-Methyl-4-amino-naphthols-(1)
DE1098516B (de) Verfahren zur Herstellung von 4-Sulfanilamido-2, 6-dimethoxypyrimidin
DE1668667A1 (de) Neue gamma-Aryl-alpha,ss-dihalogen-delta?-krotonlaktone,entsprechende ss-Aroyl-ss-halogenakrylsaeuren und Verfahren zur Herstellung derselben
AT269886B (de) Verfahren zur Herstellung neuer Benzomorphanderivate und ihrer Salze
DE907299C (de) Verfahren zur Herstellung von Chloramphenicol
AT217994B (de) Verfahren zur Herstellung von neuen Derivaten von Polyhydroxyalkoholen
DD156814A5 (de) Verfahren zur herstellung von neuen 1,4,3,6-dianhydro-2,5-diazido-2,5-dideoxy-hexit-derivaten
DE2653398A1 (de) Verfahren zur herstellung von 5-fluor-uracil-derivaten
CH636880A5 (en) Process for preparing clavulanic acid ethers

Legal Events

Date Code Title Description
PL Patent ceased