ES415671A2 - Procedimiento para la preparacion de derivados de benzopi- rano. - Google Patents

Procedimiento para la preparacion de derivados de benzopi- rano.

Info

Publication number
ES415671A2
ES415671A2 ES415671A ES415671A ES415671A2 ES 415671 A2 ES415671 A2 ES 415671A2 ES 415671 A ES415671 A ES 415671A ES 415671 A ES415671 A ES 415671A ES 415671 A2 ES415671 A2 ES 415671A2
Authority
ES
Spain
Prior art keywords
group
signifies
formula
esterified
see formula
Prior art date
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
ES415671A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer Pharma AG
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 DE2228473A external-priority patent/DE2228473C3/de
Priority claimed from DE19722228475 external-priority patent/DE2228475A1/de
Application filed by Schering AG filed Critical Schering AG
Publication of ES415671A2 publication Critical patent/ES415671A2/es
Expired legal-status Critical Current

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
ES415671A 1972-06-08 1973-06-07 Procedimiento para la preparacion de derivados de benzopi- rano. Expired ES415671A2 (es)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ES415671A2 true ES415671A2 (es) 1976-02-01

Family

ID=25763414

Family Applications (1)

Application Number Title Priority Date Filing Date
ES415671A Expired ES415671A2 (es) 1972-06-08 1973-06-07 Procedimiento para la preparacion de derivados de benzopi- rano.

Country Status (17)

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

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
HU166644B (es) 1975-04-28
AU5646873A (en) 1974-12-05
AT325611B (de) 1975-10-27
IE37779L (en) 1973-12-08
DK139227C (da) 1979-06-11
IL42454A0 (en) 1973-08-29
JPS4954373A (es) 1974-05-27
JPS5924156B2 (ja) 1984-06-07
CA975785A (en) 1975-10-07
GB1431820A (en) 1976-04-14
CS177134B2 (es) 1977-07-29
FR2187776A2 (es) 1974-01-18
AR203537A1 (es) 1975-09-22
US3962280A (en) 1976-06-08
FR2187776B2 (es) 1978-01-13
NL7308081A (es) 1973-12-11
DD107271A1 (es) 1974-07-20
IE37779B1 (en) 1977-10-12
ATA500273A (de) 1975-01-15
DK139227B (da) 1979-01-15
CH603619A5 (es) 1978-08-31
AU471217B2 (en) 1976-04-15

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170704