AU7687874A - 5:6-benzo-8-pyrone derivatives and process for their preparation - Google Patents

5:6-benzo-8-pyrone derivatives and process for their preparation

Info

Publication number
AU7687874A
AU7687874A AU76878/74A AU7687874A AU7687874A AU 7687874 A AU7687874 A AU 7687874A AU 76878/74 A AU76878/74 A AU 76878/74A AU 7687874 A AU7687874 A AU 7687874A AU 7687874 A AU7687874 A AU 7687874A
Authority
AU
Australia
Prior art keywords
benzo
preparation
pyrone derivatives
pyrone
derivatives
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
AU76878/74A
Other versions
AU484454B2 (en
Inventor
Dobis Piernicola Giraldi Francesco Laur La Maria Luisa Como Piero Sberze And Marcello Tibolla Gianfederico
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.)
Pfizer Italia SRL
Original Assignee
Carlo Erba SpA
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 IT2477774A external-priority patent/IT1045480B/en
Application filed by Carlo Erba SpA filed Critical Carlo Erba SpA
Application granted granted Critical
Publication of AU484454B2 publication Critical patent/AU484454B2/en
Publication of AU7687874A publication Critical patent/AU7687874A/en
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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/28—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
    • C07D311/30—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/63—One oxygen atom
    • 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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
AU76878/74A 1974-07-04 1974-12-24 5:6-benzo-8-pyrone derivatives and process for their preparation Expired AU484454B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IT3208973 1973-12-27
IT2477774A IT1045480B (en) 1974-07-04 1974-07-04 5,6-Benzo-gamma-pyrone derivs. - as anti-allergic and anti-ulcer agents
ITIT24777A/ 1974-07-04
ITIT25244A/ 1974-07-17
IT2524474 1974-07-17

Publications (2)

Publication Number Publication Date
AU484454B2 AU484454B2 (en) 1976-06-24
AU7687874A true AU7687874A (en) 1976-06-24

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU674940B2 (en) * 1993-03-10 1997-01-16 Pfizer Research And Development Company, N.V./S.A. Benzopyranes as potassium channel openers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU674940B2 (en) * 1993-03-10 1997-01-16 Pfizer Research And Development Company, N.V./S.A. Benzopyranes as potassium channel openers

Also Published As

Publication number Publication date
SE417427B (en) 1981-03-16
JPS50129568A (en) 1975-10-13
FR2255894A1 (en) 1975-07-25
NO144110B (en) 1981-03-16
SU611590A3 (en) 1978-06-15
IL46423A0 (en) 1975-05-22
FI67080C (en) 1985-01-10
FI374274A (en) 1975-06-28
ATA1034174A (en) 1978-02-15
AT345830B (en) 1978-10-10
CS202543B2 (en) 1981-01-30
CH616934A5 (en) 1980-04-30
DK680474A (en) 1975-08-25
CH616935A5 (en) 1980-04-30
SE7416231L (en) 1975-06-30
FR2255894B1 (en) 1978-07-21
CA1061353A (en) 1979-08-28
NO144110C (en) 1981-06-24
IL46423A (en) 1979-03-12
NL7416873A (en) 1975-07-01
NO744714L (en) 1975-07-21
DE2461670A1 (en) 1975-07-10
FI67080B (en) 1984-09-28
HU171874B (en) 1978-04-28
GB1479518A (en) 1977-07-13
JPS5634595B2 (en) 1981-08-11

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