ZA706817B - Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new beta-keto esters - Google Patents

Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new beta-keto esters

Info

Publication number
ZA706817B
ZA706817B ZA706817A ZA706817A ZA706817B ZA 706817 B ZA706817 B ZA 706817B ZA 706817 A ZA706817 A ZA 706817A ZA 706817 A ZA706817 A ZA 706817A ZA 706817 B ZA706817 B ZA 706817B
Authority
ZA
South Africa
Prior art keywords
ols
keto esters
intermediates therefor
via new
new beta
Prior art date
Application number
ZA706817A
Other languages
English (en)
Inventor
F 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.)
Filing date
Publication date
Application filed by Beecham Group Ltd filed Critical Beecham Group Ltd
Publication of ZA706817B publication Critical patent/ZA706817B/xx

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)
ZA706817A 1969-10-31 1970-10-07 Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new beta-keto esters ZA706817B (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
ZA706817B true ZA706817B (en) 1971-07-28

Family

ID=25360942

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA706817A ZA706817B (en) 1969-10-31 1970-10-07 Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new beta-keto esters

Country Status (8)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790763A (fr) * 1971-11-05 1973-04-30 Beecham Group Ltd Nouveaux chromanols et compositions pharmaceutiques les contenant
BE794630A (fr) * 1972-01-26 1973-07-26 Beecham Group Ltd Composes polycycliques antihypertenseurs
JPS6114512U (ja) * 1984-07-02 1986-01-28 燦焜 嚴 室内用アンテナ装置
JPH0164207U (xx) * 1987-10-16 1989-04-25
JP6000456B2 (ja) 2012-07-27 2016-09-28 サン ケミカル コーポレイション インクにおける光開始剤および光増感剤としてのケトクマリン

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1770171C3 (de) * 1967-04-14 1979-08-30 Beecham Group Ltd., Brentford, Mddlesex (Grossbritannien) 2,2-Dimethyl-7-alkyl-4-(4-pyridyl)-2H-chromen-5-ole, Verfahren zu ihrer Herstellung und diese Verbindungen enthaltende Arzneipräparate

Also Published As

Publication number Publication date
FR2070184B1 (xx) 1974-10-11
ES384802A1 (es) 1973-09-01
BE758329A (fr) 1971-04-30
FR2070184A1 (xx) 1971-09-10
AU2089370A (en) 1972-04-13
DE2053404A1 (de) 1971-05-06
GB1307646A (en) 1973-02-21
JPS4932545B1 (xx) 1974-08-31

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