HUT41758A - Improved process for producing alkyl-esters of isodehydro-acetic acid - Google Patents

Improved process for producing alkyl-esters of isodehydro-acetic acid

Info

Publication number
HUT41758A
HUT41758A HU261185A HU261185A HUT41758A HU T41758 A HUT41758 A HU T41758A HU 261185 A HU261185 A HU 261185A HU 261185 A HU261185 A HU 261185A HU T41758 A HUT41758 A HU T41758A
Authority
HU
Hungary
Prior art keywords
isodehydro
esters
acetic acid
improved process
producing alkyl
Prior art date
Application number
HU261185A
Other languages
Hungarian (hu)
Other versions
HU194852B (en
Inventor
Jozsef Barkoczy
Zoltan Nemeth
Sandor Pataki
Gyula Koertvelyessy
Original Assignee
Egyt Gyogyszervegyeszeti Gyar
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 Egyt Gyogyszervegyeszeti Gyar filed Critical Egyt Gyogyszervegyeszeti Gyar
Priority to HU261185A priority Critical patent/HU194852B/en
Publication of HUT41758A publication Critical patent/HUT41758A/en
Publication of HU194852B publication Critical patent/HU194852B/en

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Improved prepn. of iso-dehydroacetic acid-alkyl estero of formula (I), where R is a 1-4C alkyl gp., comprises condensation of an acetoacetic-ester of formula (II), at 0-50 deg.C, in the presence of hydrogen bromide and an 1-4C alkanol.
HU261185A 1985-07-05 1985-07-05 Improved process for production of izodehydro-aceticacid-alkyl-esthers HU194852B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU261185A HU194852B (en) 1985-07-05 1985-07-05 Improved process for production of izodehydro-aceticacid-alkyl-esthers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU261185A HU194852B (en) 1985-07-05 1985-07-05 Improved process for production of izodehydro-aceticacid-alkyl-esthers

Publications (2)

Publication Number Publication Date
HUT41758A true HUT41758A (en) 1987-05-28
HU194852B HU194852B (en) 1988-03-28

Family

ID=10960258

Family Applications (1)

Application Number Title Priority Date Filing Date
HU261185A HU194852B (en) 1985-07-05 1985-07-05 Improved process for production of izodehydro-aceticacid-alkyl-esthers

Country Status (1)

Country Link
HU (1) HU194852B (en)

Also Published As

Publication number Publication date
HU194852B (en) 1988-03-28

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Legal Events

Date Code Title Description
HU90 Patent valid on 900628
HMM4 Cancellation of final prot. due to non-payment of fee