CS166180B2 - - Google Patents

Info

Publication number
CS166180B2
CS166180B2 CS437A CS43774A CS166180B2 CS 166180 B2 CS166180 B2 CS 166180B2 CS 437 A CS437 A CS 437A CS 43774 A CS43774 A CS 43774A CS 166180 B2 CS166180 B2 CS 166180B2
Authority
CS
Czechoslovakia
Application number
CS437A
Other languages
Czech (cs)
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 filed Critical
Publication of CS166180B2 publication Critical patent/CS166180B2/cs

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Coloring (AREA)
CS437A 1973-02-09 1974-01-23 CS166180B2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2306515A DE2306515A1 (de) 1973-02-09 1973-02-09 Benzo-difuran-verbindungen

Publications (1)

Publication Number Publication Date
CS166180B2 true CS166180B2 (pt) 1976-01-29

Family

ID=5871465

Family Applications (1)

Application Number Title Priority Date Filing Date
CS437A CS166180B2 (pt) 1973-02-09 1974-01-23

Country Status (12)

Country Link
US (1) US3993670A (pt)
JP (1) JPS49112927A (pt)
BE (1) BE810722A (pt)
BR (1) BR7400880A (pt)
CH (2) CH605964A5 (pt)
CS (1) CS166180B2 (pt)
DD (1) DD110491A5 (pt)
DE (1) DE2306515A1 (pt)
FR (1) FR2217329B1 (pt)
GB (1) GB1407786A (pt)
IT (1) IT1006294B (pt)
NL (1) NL7401648A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU78135A1 (de) * 1977-09-16 1979-05-23 Ciba Geigy Ag Verfahren zur herstellung von benzodifuranen
GB8824108D0 (en) * 1988-10-14 1988-11-23 Unilever Plc Bleaching & detergent compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE787576A (fr) * 1971-08-13 1973-02-14 Hoechst Ag Derives de benzofuranne et leur utilisation comme azureurs optiques
BE787580A (fr) * 1971-08-13 1973-02-14 Hoechst Ag Procede de preparation de derives du furanne

Also Published As

Publication number Publication date
BE810722A (fr) 1974-08-07
GB1407786A (en) 1975-09-24
FR2217329A1 (pt) 1974-09-06
CH181674A4 (de) 1976-07-15
FR2217329B1 (pt) 1977-09-23
BR7400880A (pt) 1975-11-04
DE2306515A1 (de) 1974-08-15
CH605964A5 (pt) 1978-10-13
DD110491A5 (pt) 1974-12-20
NL7401648A (pt) 1974-08-13
USB440858I5 (pt) 1976-02-03
IT1006294B (it) 1976-09-30
JPS49112927A (pt) 1974-10-28
US3993670A (en) 1976-11-23

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