GB1543368A - 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
GB1543368A
GB1543368A GB897676A GB897676A GB1543368A GB 1543368 A GB1543368 A GB 1543368A GB 897676 A GB897676 A GB 897676A GB 897676 A GB897676 A GB 897676A GB 1543368 A GB1543368 A GB 1543368A
Authority
GB
United Kingdom
Prior art keywords
preparation
optical brighteners
benzofuran derivatives
derivatives process
benzofuran
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
GB897676A
Other languages
English (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.)
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
Publication of GB1543368A publication Critical patent/GB1543368A/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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB897676A 1975-03-05 1976-03-05 Benzofuran derivatives process for their preparation and their use as optical brighteners Expired GB1543368A (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
GB1543368A true GB1543368A (en) 1979-04-04

Family

ID=5940498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB897676A Expired GB1543368A (en) 1975-03-05 1976-03-05 Benzofuran derivatives process for their preparation and their use as optical brighteners

Country Status (10)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090230849A1 (en) * 2005-09-12 2009-09-17 Hodogaya Chemical Co., Ltd. Compound having oxadiazole ring structure bonded with aromatic heterocyclic ring and organic electroluminescent device

Families Citing this family (1)

* 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"

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090230849A1 (en) * 2005-09-12 2009-09-17 Hodogaya Chemical Co., Ltd. Compound having oxadiazole ring structure bonded with aromatic heterocyclic ring and organic electroluminescent device
US8247087B2 (en) * 2005-09-12 2012-08-21 Hodogaya Chemical Co., Ltd. Compound having oxadiazole ring structure bonded with aromatic heterocyclic ring and organic electroluminescent device

Also Published As

Publication number Publication date
NL7602057A (nl) 1976-09-07
DE2509514A1 (de) 1976-09-16
CA1077489A (en) 1980-05-13
FR2303013B1 (enExample) 1979-05-25
BE839251A (fr) 1976-09-06
FR2303013A1 (fr) 1976-10-01
LU74475A1 (enExample) 1977-01-10
IT1056842B (it) 1982-02-20
JPS51111831A (en) 1976-10-02
DK93176A (da) 1976-09-06

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Legal Events

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