BE800715R - NEW BENZOPYRANNE DERIVATIVES AND THEIR PREPARATION PROCESS - Google Patents

NEW BENZOPYRANNE DERIVATIVES AND THEIR PREPARATION PROCESS

Info

Publication number
BE800715R
BE800715R BE132100A BE132100A BE800715R BE 800715 R BE800715 R BE 800715R BE 132100 A BE132100 A BE 132100A BE 132100 A BE132100 A BE 132100A BE 800715 R BE800715 R BE 800715R
Authority
BE
Belgium
Prior art keywords
benzopyranne
derivatives
new
preparation process
preparation
Prior art date
Application number
BE132100A
Other languages
French (fr)
Original Assignee
Schering Ag
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 by Schering Ag filed Critical Schering Ag
Application granted granted Critical
Publication of BE800715R publication Critical patent/BE800715R/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
    • 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
    • C07D311/94—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 condensed with rings other than six-membered or with ring systems containing such rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Steroid Compounds (AREA)
BE132100A 1972-06-08 1973-06-08 NEW BENZOPYRANNE DERIVATIVES AND THEIR PREPARATION PROCESS BE800715R (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2228473A DE2228473C3 (en) 1972-06-08 1972-06-08 Process for the preparation of cyclopenta- [f] [l] -benzopyran derivatives

Publications (1)

Publication Number Publication Date
BE800715R true BE800715R (en) 1973-12-10

Family

ID=5847483

Family Applications (1)

Application Number Title Priority Date Filing Date
BE132100A BE800715R (en) 1972-06-08 1973-06-08 NEW BENZOPYRANNE DERIVATIVES AND THEIR PREPARATION PROCESS

Country Status (3)

Country Link
BE (1) BE800715R (en)
DE (1) DE2228473C3 (en)
ZA (1) ZA733899B (en)

Also Published As

Publication number Publication date
DE2228473C3 (en) 1982-06-16
DE2228473B2 (en) 1981-10-15
DE2228473A1 (en) 1973-12-20
ZA733899B (en) 1974-05-29

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