NL61550C - - Google Patents

Info

Publication number
NL61550C
NL61550C NL61550DA NL61550C NL 61550 C NL61550 C NL 61550C NL 61550D A NL61550D A NL 61550DA NL 61550 C NL61550 C NL 61550C
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 NL61550C publication Critical patent/NL61550C/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
NL61550D 1946-02-20 NL61550C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH258712T 1946-02-20

Publications (1)

Publication Number Publication Date
NL61550C true NL61550C (xx)

Family

ID=4472772

Family Applications (1)

Application Number Title Priority Date Filing Date
NL61550D NL61550C (xx) 1946-02-20

Country Status (2)

Country Link
CH (1) CH258712A (xx)
NL (1) NL61550C (xx)

Also Published As

Publication number Publication date
CH258712A (de) 1948-12-15

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