GB912768A - Process for the production of 4-hydroxy coumarins - Google Patents

Process for the production of 4-hydroxy coumarins

Info

Publication number
GB912768A
GB912768A GB4201760A GB4201760A GB912768A GB 912768 A GB912768 A GB 912768A GB 4201760 A GB4201760 A GB 4201760A GB 4201760 A GB4201760 A GB 4201760A GB 912768 A GB912768 A GB 912768A
Authority
GB
United Kingdom
Prior art keywords
hydroxy
methyl
isopropyl
alkyl
production
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
GB4201760A
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.)
Cassella Farbwerke Mainkur AG
Original Assignee
Cassella Farbwerke Mainkur 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 Cassella Farbwerke Mainkur AG filed Critical Cassella Farbwerke Mainkur AG
Publication of GB912768A publication Critical patent/GB912768A/en
Expired 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
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB4201760A 1959-12-10 1960-12-06 Process for the production of 4-hydroxy coumarins Expired GB912768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC20324A DE1096915B (de) 1959-12-10 1959-12-10 Verfahren zur Herstellung von 4-Oxycumarinen

Publications (1)

Publication Number Publication Date
GB912768A true GB912768A (en) 1962-12-12

Family

ID=7016790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4201760A Expired GB912768A (en) 1959-12-10 1960-12-06 Process for the production of 4-hydroxy coumarins

Country Status (3)

Country Link
CH (1) CH381708A (de)
DE (1) DE1096915B (de)
GB (1) GB912768A (de)

Also Published As

Publication number Publication date
CH381708A (de) 1964-09-15
DE1096915B (de) 1961-01-12

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