GB2041917B - Intermediates for silicon-modified phthalic acid derivatives - Google Patents

Intermediates for silicon-modified phthalic acid derivatives

Info

Publication number
GB2041917B
GB2041917B GB7907339A GB7907339A GB2041917B GB 2041917 B GB2041917 B GB 2041917B GB 7907339 A GB7907339 A GB 7907339A GB 7907339 A GB7907339 A GB 7907339A GB 2041917 B GB2041917 B GB 2041917B
Authority
GB
United Kingdom
Prior art keywords
intermediates
silicon
acid derivatives
phthalic acid
modified phthalic
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
GB7907339A
Other versions
GB2041917A (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.)
Novartis AG
Original Assignee
Ciba Geigy 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
Priority claimed from GB7835971A external-priority patent/GB2004291B/en
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Priority to GB7907339A priority Critical patent/GB2041917B/en
Publication of GB2041917A publication Critical patent/GB2041917A/en
Application granted granted Critical
Publication of GB2041917B publication Critical patent/GB2041917B/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
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB7907339A 1978-09-07 1979-03-01 Intermediates for silicon-modified phthalic acid derivatives Expired GB2041917B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7907339A GB2041917B (en) 1978-09-07 1979-03-01 Intermediates for silicon-modified phthalic acid derivatives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7835971A GB2004291B (en) 1977-09-09 1978-09-07 Silicon-modified phthalic acid derivatives
GB7907339A GB2041917B (en) 1978-09-07 1979-03-01 Intermediates for silicon-modified phthalic acid derivatives

Publications (2)

Publication Number Publication Date
GB2041917A GB2041917A (en) 1980-09-17
GB2041917B true GB2041917B (en) 1982-08-11

Family

ID=26268779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7907339A Expired GB2041917B (en) 1978-09-07 1979-03-01 Intermediates for silicon-modified phthalic acid derivatives

Country Status (1)

Country Link
GB (1) GB2041917B (en)

Also Published As

Publication number Publication date
GB2041917A (en) 1980-09-17

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Legal Events

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