NL60984C - - Google Patents

Info

Publication number
NL60984C
NL60984C NL60984DA NL60984C NL 60984 C NL60984 C NL 60984C NL 60984D A NL60984D A NL 60984DA NL 60984 C NL60984 C NL 60984C
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 NL60984C publication Critical patent/NL60984C/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
    • C07D311/48Benzo[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 with two such benzopyran radicals linked together by a carbon chain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL60984D 1944-03-18 NL60984C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE260200X 1944-03-18

Publications (1)

Publication Number Publication Date
NL60984C true NL60984C (en:Method)

Family

ID=5967836

Family Applications (1)

Application Number Title Priority Date Filing Date
NL60984D NL60984C (en:Method) 1944-03-18

Country Status (6)

Country Link
US (1) US2482510A (en:Method)
BE (1) BE468946A (en:Method)
CH (1) CH260200A (en:Method)
FR (1) FR915642A (en:Method)
GB (1) GB621820A (en:Method)
NL (1) NL60984C (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810730A (en) * 1948-12-30 1957-10-22 Fucik Karel Process for making esters of bis(4-hydroxycoumarin-3-yl) acetic acid
BE496764A (en:Method) * 1950-06-03
CS159456B1 (en:Method) * 1972-04-12 1975-01-31

Also Published As

Publication number Publication date
BE468946A (en:Method)
CH260200A (de) 1949-02-28
FR915642A (fr) 1946-11-13
GB621820A (en) 1949-04-20
US2482510A (en) 1949-09-20

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