NL83336C - - Google Patents

Info

Publication number
NL83336C
NL83336C NL83336DA NL83336C NL 83336 C NL83336 C NL 83336C NL 83336D A NL83336D A NL 83336DA NL 83336 C NL83336 C NL 83336C
Authority
NL
Netherlands
Application number
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.)
Publication of NL83336C publication Critical patent/NL83336C/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/42Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL83336D 1952-08-26 NL83336C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH734823X 1952-08-26

Publications (1)

Publication Number Publication Date
NL83336C true NL83336C (de)

Family

ID=4532649

Family Applications (1)

Application Number Title Priority Date Filing Date
NL83336D NL83336C (de) 1952-08-26

Country Status (5)

Country Link
CH (1) CH307810A (de)
DE (1) DE932373C (de)
FR (1) FR71920E (de)
GB (1) GB734823A (de)
NL (1) NL83336C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1047788B (de) * 1956-01-20 1958-12-31 Geigy Ag J R Verfahren zur Herstellung von Derivaten des 4-Oxycumarins
US3022317A (en) * 1956-01-20 1962-02-20 Geigy Chem Corp 3-benzyl-4-hydroxycoumarin and a process for the preparation of derivatives of 3-benzyl-4-hydroxycoumarin

Also Published As

Publication number Publication date
DE932373C (de) 1955-08-29
GB734823A (en) 1955-08-10
FR71920E (fr) 1960-03-14
CH307810A (de) 1955-06-15

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