GB2009175B - Process for producing 3-bromophthalide - Google Patents

Process for producing 3-bromophthalide

Info

Publication number
GB2009175B
GB2009175B GB7846667A GB7846667A GB2009175B GB 2009175 B GB2009175 B GB 2009175B GB 7846667 A GB7846667 A GB 7846667A GB 7846667 A GB7846667 A GB 7846667A GB 2009175 B GB2009175 B GB 2009175B
Authority
GB
United Kingdom
Prior art keywords
bromophthalide
producing
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
GB7846667A
Other versions
GB2009175A (en
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.)
Dynamit Nobel AG
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 GB2009175A publication Critical patent/GB2009175A/en
Application granted granted Critical
Publication of GB2009175B publication Critical patent/GB2009175B/en
Expired legal-status Critical Current

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
    • C07D307/77—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)
  • Catalysts (AREA)
  • Indole Compounds (AREA)
GB7846667A 1977-12-01 1978-11-30 Process for producing 3-bromophthalide Expired GB2009175B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772753512 DE2753512A1 (en) 1977-12-01 1977-12-01 PROCESS FOR THE PREPARATION OF 3-BROMPHTHALIDE

Publications (2)

Publication Number Publication Date
GB2009175A GB2009175A (en) 1979-06-13
GB2009175B true GB2009175B (en) 1982-03-10

Family

ID=6025052

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7846667A Expired GB2009175B (en) 1977-12-01 1978-11-30 Process for producing 3-bromophthalide

Country Status (7)

Country Link
JP (1) JPS5484568A (en)
BE (1) BE872402R (en)
DE (1) DE2753512A1 (en)
FR (1) FR2410651A2 (en)
GB (1) GB2009175B (en)
IT (1) IT1157735B (en)
NL (1) NL7811755A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2934822A1 (en) * 1979-08-29 1981-03-19 Dynamit Nobel Ag, 5210 Troisdorf METHOD FOR PRODUCING 3-BROMPHTHALIDE
CN116041295B (en) * 2023-03-31 2023-06-06 寿光祥铭化工有限公司 Preparation method of 3-bromophthalide

Also Published As

Publication number Publication date
BE872402R (en) 1979-03-16
IT7852116A0 (en) 1978-11-29
IT1157735B (en) 1987-02-18
FR2410651A2 (en) 1979-06-29
GB2009175A (en) 1979-06-13
DE2753512A1 (en) 1979-06-07
JPS5484568A (en) 1979-07-05
NL7811755A (en) 1979-06-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee