CH630622A5 - Process for the preparation of 3-bromophthalide - Google Patents

Process for the preparation of 3-bromophthalide Download PDF

Info

Publication number
CH630622A5
CH630622A5 CH1401277A CH1401277A CH630622A5 CH 630622 A5 CH630622 A5 CH 630622A5 CH 1401277 A CH1401277 A CH 1401277A CH 1401277 A CH1401277 A CH 1401277A CH 630622 A5 CH630622 A5 CH 630622A5
Authority
CH
Switzerland
Prior art keywords
bromophthalide
bromide
hydrogen bromide
halogenation
chlorophthalide
Prior art date
Application number
CH1401277A
Other languages
German (de)
English (en)
Inventor
Fritz Englaender
Klaus Schrage
Original Assignee
Dynamit Nobel 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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of CH630622A5 publication Critical patent/CH630622A5/de

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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
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/88—Benzo [c] furans; Hydrogenated benzo [c] furans with one oxygen atom directly attached in position 1 or 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
CH1401277A 1976-11-17 1977-11-16 Process for the preparation of 3-bromophthalide CH630622A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762652299 DE2652299B2 (de) 1976-11-17 1976-11-17 Verfahren zur Herstellung von 3-Bromphthalid

Publications (1)

Publication Number Publication Date
CH630622A5 true CH630622A5 (en) 1982-06-30

Family

ID=5993339

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1401277A CH630622A5 (en) 1976-11-17 1977-11-16 Process for the preparation of 3-bromophthalide

Country Status (10)

Country Link
JP (1) JPS6056147B2 (es)
BE (1) BE860901A (es)
CH (1) CH630622A5 (es)
DE (1) DE2652299B2 (es)
DK (1) DK143132C (es)
ES (1) ES464174A1 (es)
FR (1) FR2371440A1 (es)
GB (1) GB1537815A (es)
IT (1) IT1112096B (es)
NL (1) NL7712620A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934822A1 (de) * 1979-08-29 1981-03-19 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur herstellung von 3-bromphthalid
CN116041295B (zh) * 2023-03-31 2023-06-06 寿光祥铭化工有限公司 一种3-溴苯酞的制备方法

Also Published As

Publication number Publication date
ES464174A1 (es) 1978-09-01
JPS5363372A (en) 1978-06-06
DK507977A (da) 1978-05-18
IT1112096B (it) 1986-01-13
DE2652299A1 (de) 1978-05-18
BE860901A (fr) 1978-03-16
FR2371440A1 (fr) 1978-06-16
DE2652299B2 (de) 1978-08-31
NL7712620A (nl) 1978-05-19
DK143132B (da) 1981-06-29
DE2652299C3 (es) 1979-04-26
JPS6056147B2 (ja) 1985-12-09
FR2371440B1 (es) 1982-07-09
GB1537815A (en) 1979-01-04
DK143132C (da) 1981-11-23

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Legal Events

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PL Patent ceased