DE189252C - - Google Patents

Info

Publication number
DE189252C
DE189252C DENDAT189252D DE189252DA DE189252C DE 189252 C DE189252 C DE 189252C DE NDAT189252 D DENDAT189252 D DE NDAT189252D DE 189252D A DE189252D A DE 189252DA DE 189252 C DE189252 C DE 189252C
Authority
DE
Germany
Prior art keywords
acid
yellow
carboxylic acid
solution
coumarin
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.)
Active
Application number
DENDAT189252D
Other languages
German (de)
English (en)
Publication of DE189252C publication Critical patent/DE189252C/de
Active legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic 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
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/12—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 3 and unsubstituted in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DENDAT189252D Active DE189252C (enExample)

Publications (1)

Publication Number Publication Date
DE189252C true DE189252C (enExample)

Family

ID=452820

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT189252D Active DE189252C (enExample)

Country Status (1)

Country Link
DE (1) DE189252C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020636B (de) * 1954-11-12 1957-12-12 Geigy Ag J R Verfahren zur Herstellung von 3-Phenyl-7-acylamino-cumarinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020636B (de) * 1954-11-12 1957-12-12 Geigy Ag J R Verfahren zur Herstellung von 3-Phenyl-7-acylamino-cumarinen

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