CA1026342A - Preparation des derives du benzofuranne et utilisation dans le polissage optique - Google Patents

Preparation des derives du benzofuranne et utilisation dans le polissage optique

Info

Publication number
CA1026342A
CA1026342A CA192,191A CA192191A CA1026342A CA 1026342 A CA1026342 A CA 1026342A CA 192191 A CA192191 A CA 192191A CA 1026342 A CA1026342 A CA 1026342A
Authority
CA
Canada
Prior art keywords
preparing
optical brighteners
benzofuran derivatives
benzofuran
derivatives
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
CA192,191A
Other languages
English (en)
Other versions
CA192191S (en
Inventor
Erich Schinzel
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 CA1026342A publication Critical patent/CA1026342A/fr
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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
    • 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
    • C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
    • 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
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
    • C07D307/84—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
    • C07D307/85—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen attached in position 2

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Furan Compounds (AREA)
  • Detergent Compositions (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA192,191A 1973-02-09 1974-02-11 Preparation des derives du benzofuranne et utilisation dans le polissage optique Expired CA1026342A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH188173A CH593379B5 (fr) 1973-02-09 1973-02-09

Publications (1)

Publication Number Publication Date
CA1026342A true CA1026342A (fr) 1978-02-14

Family

ID=4220761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA192,191A Expired CA1026342A (fr) 1973-02-09 1974-02-11 Preparation des derives du benzofuranne et utilisation dans le polissage optique

Country Status (15)

Country Link
JP (1) JPS49112928A (fr)
AT (1) AT332869B (fr)
BE (1) BE810844A (fr)
BR (1) BR7400946D0 (fr)
CA (1) CA1026342A (fr)
CH (2) CH188173A4 (fr)
DE (1) DE2405063A1 (fr)
ES (1) ES422902A1 (fr)
FR (1) FR2217338B1 (fr)
GB (1) GB1456267A (fr)
IN (1) IN140448B (fr)
IT (1) IT1007261B (fr)
NL (1) NL7401502A (fr)
SE (1) SE386899B (fr)
SU (1) SU577993A3 (fr)

Also Published As

Publication number Publication date
ES422902A1 (es) 1976-09-16
AU6530974A (en) 1975-08-07
GB1456267A (en) 1976-11-24
ATA96074A (de) 1976-02-15
IN140448B (fr) 1976-11-13
SU577993A3 (ru) 1977-10-25
IT1007261B (it) 1976-10-30
BR7400946D0 (pt) 1974-11-05
BE810844A (fr) 1974-08-12
DE2405063A1 (de) 1974-08-15
SE386899B (sv) 1976-08-23
FR2217338B1 (fr) 1977-06-10
NL7401502A (fr) 1974-08-13
CH593379B5 (fr) 1977-11-30
AT332869B (de) 1976-10-25
CH188173A4 (fr) 1977-03-31
FR2217338A1 (fr) 1974-09-06
JPS49112928A (fr) 1974-10-28

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