FR1055983A - - Google Patents

Info

Publication number
FR1055983A
FR1055983A FR1055983DA FR1055983A FR 1055983 A FR1055983 A FR 1055983A FR 1055983D A FR1055983D A FR 1055983DA FR 1055983 A FR1055983 A FR 1055983A
Authority
FR
France
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
Publication date
Application granted granted Critical
Publication of FR1055983A publication Critical patent/FR1055983A/fr
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
    • C07D311/44—Benzo[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
    • C07D311/46—Benzo[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
    • C07D311/48—Benzo[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)
FR1055983D Expired FR1055983A (fr)

Publications (1)

Publication Number Publication Date
FR1055983A true FR1055983A (fr) 1954-02-23

Family

ID=1567698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1055983D Expired FR1055983A (fr)

Country Status (1)

Country Link
FR (1) FR1055983A (fr)

Similar Documents

Publication Publication Date Title
AT191484B (fr)
AT192924B (fr)
JPS316379B1 (fr)
AT195977B (fr)
AT195459B (fr)
AT192363B (fr)
AT196304B (fr)
AT190491B (fr)
AT189950B (fr)
AT196486B (fr)
AT192359B (fr)
AT195836B (fr)
AT197898B (fr)
DE1049464B (fr)
AT196650B (fr)
AT195221B (fr)
AT193927B (fr)
AT194354B (fr)
AT194415B (fr)
AT194476B (fr)
AT195335B (fr)
AT194723B (fr)
AT197727B (fr)
AT194735B (fr)
AT194891B (fr)