DK130923B - Analogous process for the preparation of gamma-4-n-butoxyphenyl-alpha, beta-dibromo-delta alpha, beta-croton lactone. - Google Patents

Analogous process for the preparation of gamma-4-n-butoxyphenyl-alpha, beta-dibromo-delta alpha, beta-croton lactone.

Info

Publication number
DK130923B
DK130923B DK63568A DK63568A DK130923B DK 130923 B DK130923 B DK 130923B DK 63568 A DK63568 A DK 63568A DK 63568 A DK63568 A DK 63568A DK 130923 B DK130923 B DK 130923B
Authority
DK
Denmark
Prior art keywords
beta
alpha
croton
butoxyphenyl
dibromo
Prior art date
Application number
DK63568A
Other languages
Danish (da)
Other versions
DK130923C (en
Inventor
M Semonsky
V Zikan
M V Jelinek
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 DK130923B publication Critical patent/DK130923B/en
Application granted granted Critical
Publication of DK130923C publication Critical patent/DK130923C/da

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)
DK63568A 1967-02-17 1968-02-16 Analogous process for the preparation of gamma-4-n-butoxyphenyl-alpha, beta-dibromo-delta alpha, beta-croton lactone. DK130923B (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DK130923B true DK130923B (en) 1975-05-05
DK130923C DK130923C (en) 1975-10-06

Family

ID=25745395

Family Applications (2)

Application Number Title Priority Date Filing Date
DK63568A DK130923B (en) 1967-02-17 1968-02-16 Analogous process for the preparation of gamma-4-n-butoxyphenyl-alpha, beta-dibromo-delta alpha, beta-croton lactone.
DK192270A DK129786B (en) 1967-02-17 1970-04-16 Analogous process for the preparation of β-n-pentoxybenzoyl-β-bromoacrylic acid.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK192270A DK129786B (en) 1967-02-17 1970-04-16 Analogous process for the preparation of β-n-pentoxybenzoyl-β-bromoacrylic acid.

Country Status (4)

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

Also Published As

Publication number Publication date
DK130923C (en) 1975-10-06
DK129786C (en) 1975-04-28
CH495974A (en) 1970-09-15
FI49511C (en) 1975-07-10
ES350568A1 (en) 1969-05-16
DK129786B (en) 1974-11-18
FI49511B (en) 1975-04-01

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Legal Events

Date Code Title Description
PBP Patent lapsed