NL65053C - - Google Patents

Info

Publication number
NL65053C
NL65053C NL65053DA NL65053C NL 65053 C NL65053 C NL 65053C NL 65053D A NL65053D A NL 65053DA NL 65053 C NL65053 C NL 65053C
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 NL65053C publication Critical patent/NL65053C/xx
Priority claimed from GB3687646A external-priority patent/GB632805A/en

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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NL65053D 1946-08-31 NL65053C (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS2482512X 1946-08-31
GB3687646A GB632805A (en) 1946-12-13 1946-12-13 Process for the production of compounds reducing the prothrombin level in the blood

Publications (1)

Publication Number Publication Date
NL65053C true NL65053C (en:Method)

Family

ID=32231742

Family Applications (1)

Application Number Title Priority Date Filing Date
NL65053D NL65053C (en:Method) 1946-08-31

Country Status (5)

Country Link
US (1) US2482512A (en:Method)
BE (1) BE469427A (en:Method)
CH (3) CH280074A (en:Method)
FR (1) FR940655A (en:Method)
NL (1) NL65053C (en:Method)

Families Citing this family (1)

* 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

Also Published As

Publication number Publication date
CH268684A (de) 1950-05-31
US2482512A (en) 1949-09-20
BE469427A (en:Method)
CH280073A (de) 1951-12-31
CH280074A (de) 1951-12-31
FR940655A (fr) 1948-12-20

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