AT325611B - Verfahren zur herstellung von neuen benzopyran-derivaten - Google Patents

Verfahren zur herstellung von neuen benzopyran-derivaten

Info

Publication number
AT325611B
AT325611B AT500273A AT500273A AT325611B AT 325611 B AT325611 B AT 325611B AT 500273 A AT500273 A AT 500273A AT 500273 A AT500273 A AT 500273A AT 325611 B AT325611 B AT 325611B
Authority
AT
Austria
Prior art keywords
preparation
new
benzopyrane derivatives
derivatives
new benzopyrane
Prior art date
Application number
AT500273A
Other languages
English (en)
Other versions
ATA500273A (de
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
Priority claimed from DE19722228475 external-priority patent/DE2228475A1/de
Priority claimed from DE2228473A external-priority patent/DE2228473C3/de
Application filed by Schering Ag filed Critical Schering Ag
Publication of ATA500273A publication Critical patent/ATA500273A/de
Application granted granted Critical
Publication of AT325611B publication Critical patent/AT325611B/de

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Catalysts (AREA)
AT500273A 1972-06-08 1973-06-07 Verfahren zur herstellung von neuen benzopyran-derivaten AT325611B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722228475 DE2228475A1 (de) 1972-06-08 1972-06-08 Neue benzopyran-derivate
DE2228473A DE2228473C3 (de) 1972-06-08 1972-06-08 Verfahren zur Herstellung von Cyclopenta- [f] [l] -benzopyranderivaten

Publications (2)

Publication Number Publication Date
ATA500273A ATA500273A (de) 1975-01-15
AT325611B true AT325611B (de) 1975-10-27

Family

ID=25763414

Family Applications (1)

Application Number Title Priority Date Filing Date
AT500273A AT325611B (de) 1972-06-08 1973-06-07 Verfahren zur herstellung von neuen benzopyran-derivaten

Country Status (17)

Country Link
US (1) US3962280A (de)
JP (1) JPS5924156B2 (de)
AR (1) AR203537A1 (de)
AT (1) AT325611B (de)
AU (1) AU471217B2 (de)
CA (1) CA975785A (de)
CH (1) CH603619A5 (de)
CS (1) CS177134B2 (de)
DD (1) DD107271A1 (de)
DK (1) DK139227C (de)
ES (1) ES415671A2 (de)
FR (1) FR2187776B2 (de)
GB (1) GB1431820A (de)
HU (1) HU166644B (de)
IE (1) IE37779B1 (de)
IL (1) IL42454A0 (de)
NL (1) NL7308081A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371448B1 (en) * 1999-10-29 2002-04-16 Inventio Ag Rope drive element for driving synthetic fiber ropes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH73A (de) * 1889-01-16 Weigert Dr Louis Schwindsucht-Heilapparat
US2846446A (en) * 1954-06-14 1958-08-05 Monsanto Chemicals Synthesis of steroids
FR1531486A (fr) * 1966-05-13 1968-07-05 Hoffmann La Roche Procédé pour la préparation de composés polycycliques dérivés du pyrane
FR96536E (fr) * 1967-12-04 1972-10-20 Hoffmann La Roche Procédé pour la préparation de benzindenes.
US3708500A (en) * 1969-05-13 1973-01-02 Hoffmann La Roche Aryl ketals of polycyclic oxo compounds and processes
US3644407A (en) * 1970-01-19 1972-02-22 Hoffmann La Roche Process for the preparation of steroidal compounds by cyclization of a and b rings
US3813417A (en) * 1970-08-26 1974-05-28 Hoffmann La Roche Cycloalkyl(f)(l)benzopyrans
US3699277A (en) * 1971-06-11 1972-10-17 Mallory & Co Inc P R Timer with internal stop mechanism comprising annular ring structure interfitting complementary housing member

Also Published As

Publication number Publication date
JPS4954373A (de) 1974-05-27
IE37779B1 (en) 1977-10-12
CS177134B2 (de) 1977-07-29
AR203537A1 (es) 1975-09-22
FR2187776A2 (de) 1974-01-18
AU471217B2 (en) 1976-04-15
ATA500273A (de) 1975-01-15
NL7308081A (de) 1973-12-11
GB1431820A (en) 1976-04-14
AU5646873A (en) 1974-12-05
IL42454A0 (en) 1973-08-29
DK139227B (da) 1979-01-15
HU166644B (de) 1975-04-28
DD107271A1 (de) 1974-07-20
US3962280A (en) 1976-06-08
CH603619A5 (de) 1978-08-31
DK139227C (da) 1979-06-11
FR2187776B2 (de) 1978-01-13
CA975785A (en) 1975-10-07
ES415671A2 (es) 1976-02-01
IE37779L (en) 1973-12-08
JPS5924156B2 (ja) 1984-06-07

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee