AU2089370A - Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new 6-keto esters - Google Patents

Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new 6-keto esters

Info

Publication number
AU2089370A
AU2089370A AU20893/70A AU2089370A AU2089370A AU 2089370 A AU2089370 A AU 2089370A AU 20893/70 A AU20893/70 A AU 20893/70A AU 2089370 A AU2089370 A AU 2089370A AU 2089370 A AU2089370 A AU 2089370A
Authority
AU
Australia
Prior art keywords
ols
keto esters
intermediates therefor
via new
therefor via
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
AU20893/70A
Inventor
E. Granchelli Felix
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.)
Beecham Group PLC
Original Assignee
Beecham Group PLC
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 PLC filed Critical Beecham Group PLC
Publication of AU2089370A publication Critical patent/AU2089370A/en
Expired legal-status Critical Current

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)
AU20893/70A 1969-10-31 1970-10-09 Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new 6-keto esters Expired AU2089370A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87308069A 1969-10-31 1969-10-31
USUS873,080 1969-10-31

Publications (1)

Publication Number Publication Date
AU2089370A true AU2089370A (en) 1972-04-13

Family

ID=25360942

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20893/70A Expired AU2089370A (en) 1969-10-31 1970-10-09 Process of preparing benzopyran-5-ols and coumarin intermediates therefor via new 6-keto esters

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
CN108707129A (en) 2012-07-27 2018-10-26 太阳化学公司 Coumarin ketone as photoinitiator and photosensitizer in ink

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE713490A (en) * 1967-04-14 1968-10-10

Also Published As

Publication number Publication date
FR2070184B1 (en) 1974-10-11
ES384802A1 (en) 1973-09-01
DE2053404A1 (en) 1971-05-06
GB1307646A (en) 1973-02-21
ZA706817B (en) 1971-07-28
JPS4932545B1 (en) 1974-08-31
FR2070184A1 (en) 1971-09-10
BE758329A (en) 1971-04-30

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