NL71248C - - Google Patents

Info

Publication number
NL71248C
NL71248C NL148160A NL148160A NL71248C NL 71248 C NL71248 C NL 71248C NL 148160 A NL148160 A NL 148160A NL 148160 A NL148160 A NL 148160A NL 71248 C NL71248 C NL 71248C
Authority
NL
Netherlands
Prior art keywords
esters
hydroxycoumarinyl
bis
prepared
acetic acid
Prior art date
Application number
NL148160A
Other languages
English (en)
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 filed Critical
Application granted granted Critical
Publication of NL71248C publication Critical patent/NL71248C/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)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
NL148160A 1948-12-30 1949-08-16 NL71248C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS675683X 1948-12-30

Publications (1)

Publication Number Publication Date
NL71248C true NL71248C (de) 1952-11-15

Family

ID=5454667

Family Applications (1)

Application Number Title Priority Date Filing Date
NL148160A NL71248C (de) 1948-12-30 1949-08-16

Country Status (4)

Country Link
CH (1) CH299230A (de)
FR (1) FR1012755A (de)
GB (1) GB675683A (de)
NL (1) NL71248C (de)

Also Published As

Publication number Publication date
GB675683A (en) 1952-07-16
CH299230A (de) 1954-05-31
FR1012755A (fr) 1952-07-17

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