BE758329A - PROCESS FOR PREPARING BENZOPYRANNE-5-OLS AND INTERMEDIATE COUMARINS BY PASSING THROUGH NEW BETA-CETOESTERS - Google Patents

PROCESS FOR PREPARING BENZOPYRANNE-5-OLS AND INTERMEDIATE COUMARINS BY PASSING THROUGH NEW BETA-CETOESTERS

Info

Publication number
BE758329A
BE758329A BE758329DA BE758329A BE 758329 A BE758329 A BE 758329A BE 758329D A BE758329D A BE 758329DA BE 758329 A BE758329 A BE 758329A
Authority
BE
Belgium
Prior art keywords
cetoesters
benzopyranne
ols
coumarins
preparing
Prior art date
Application number
Other languages
French (fr)
Inventor
F E Granchelli
Original Assignee
Beecham Group Ltd
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.)
Publication date
Publication of BE758329A publication Critical patent/BE758329A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/08—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms
    • C07D211/18—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D211/30—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom
    • C07D211/32—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon or substituted hydrocarbon radicals directly attached to ring carbon atoms with substituted hydrocarbon radicals attached to ring carbon atoms with hydrocarbon radicals, substituted by doubly bound oxygen or sulfur atoms or by two oxygen or sulfur atoms singly bound to the same carbon atom by oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
    • C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members 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
    • C07D211/60—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D211/62—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
BE758329D 1969-10-31 PROCESS FOR PREPARING BENZOPYRANNE-5-OLS AND INTERMEDIATE COUMARINS BY PASSING THROUGH NEW BETA-CETOESTERS BE758329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87308069A 1969-10-31 1969-10-31

Publications (1)

Publication Number Publication Date
BE758329A true BE758329A (en) 1971-04-30

Family

ID=25360942

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758329D BE758329A (en) 1969-10-31 PROCESS FOR PREPARING BENZOPYRANNE-5-OLS AND INTERMEDIATE COUMARINS BY PASSING THROUGH NEW BETA-CETOESTERS

Country Status (8)

Country Link
JP (1) JPS4932545B1 (en)
AU (1) AU2089370A (en)
BE (1) BE758329A (en)
DE (1) DE2053404A1 (en)
ES (1) ES384802A1 (en)
FR (1) FR2070184B1 (en)
GB (1) GB1307646A (en)
ZA (1) ZA706817B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790763A (en) * 1971-11-05 1973-04-30 Beecham Group Ltd NEW CHROMANOLS AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM
BE794630A (en) * 1972-01-26 1973-07-26 Beecham Group Ltd ANTI-HYPERTENSIVE POLYCYCLIC COMPOUNDS
JPS6114512U (en) * 1984-07-02 1986-01-28 燦焜 嚴 Indoor antenna device
JPH0164207U (en) * 1987-10-16 1989-04-25
JP6000456B2 (en) 2012-07-27 2016-09-28 サン ケミカル コーポレイション Ketocoumarins as photoinitiators and photosensitizers in inks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1770171C3 (en) * 1967-04-14 1979-08-30 Beecham Group Ltd., Brentford, Mddlesex (Grossbritannien) 2,2-Dimethyl-7-alkyl-4- (4-pyridyl) -2H-chromen-5-ols, process for their preparation and medicinal preparations containing these compounds

Also Published As

Publication number Publication date
AU2089370A (en) 1972-04-13
FR2070184B1 (en) 1974-10-11
FR2070184A1 (en) 1971-09-10
ZA706817B (en) 1971-07-28
GB1307646A (en) 1973-02-21
JPS4932545B1 (en) 1974-08-31
DE2053404A1 (en) 1971-05-06
ES384802A1 (en) 1973-09-01

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