CA1077489A - Benzofuran derivatives, process for their preparation and their use as optical brighteners - Google Patents

Benzofuran derivatives, process for their preparation and their use as optical brighteners

Info

Publication number
CA1077489A
CA1077489A CA247,078A CA247078A CA1077489A CA 1077489 A CA1077489 A CA 1077489A CA 247078 A CA247078 A CA 247078A CA 1077489 A CA1077489 A CA 1077489A
Authority
CA
Canada
Prior art keywords
groups
compounds
lower alkyl
group
acid
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
CA247,078A
Other languages
English (en)
French (fr)
Inventor
Erich Schinzel
Gunter Prossel
Wilfried Sahm
Gunter Rosch
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1077489A publication Critical patent/CA1077489A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
    • C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Coloring (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
CA247,078A 1975-03-05 1976-03-04 Benzofuran derivatives, process for their preparation and their use as optical brighteners Expired CA1077489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752509514 DE2509514A1 (de) 1975-03-05 1975-03-05 Neue benzofuran-derivate, verfahren zu deren herstellung und verwendung als optische aufheller

Publications (1)

Publication Number Publication Date
CA1077489A true CA1077489A (en) 1980-05-13

Family

ID=5940498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA247,078A Expired CA1077489A (en) 1975-03-05 1976-03-04 Benzofuran derivatives, process for their preparation and their use as optical brighteners

Country Status (10)

Country Link
JP (1) JPS51111831A (xx)
BE (1) BE839251A (xx)
CA (1) CA1077489A (xx)
DE (1) DE2509514A1 (xx)
DK (1) DK93176A (xx)
FR (1) FR2303013A1 (xx)
GB (1) GB1543368A (xx)
IT (1) IT1056842B (xx)
LU (1) LU74475A1 (xx)
NL (1) NL7602057A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3126464A1 (de) * 1981-07-04 1983-01-20 Hoechst Ag, 6000 Frankfurt "bis-oxdiazolyl-naphthaline, verfahren zu deren herstellung und deren verwendung"
WO2007032357A1 (ja) 2005-09-12 2007-03-22 Hodogaya Chemical Co., Ltd. 芳香族複素環が結合したオキサジアゾール環構造を有する化合物および有機エレクトロルミネッセンス素子

Also Published As

Publication number Publication date
DK93176A (da) 1976-09-06
FR2303013A1 (fr) 1976-10-01
JPS51111831A (en) 1976-10-02
DE2509514A1 (de) 1976-09-16
FR2303013B1 (xx) 1979-05-25
BE839251A (fr) 1976-09-06
NL7602057A (nl) 1976-09-07
GB1543368A (en) 1979-04-04
LU74475A1 (xx) 1977-01-10
IT1056842B (it) 1982-02-20

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Legal Events

Date Code Title Description
MKEX Expiry