BE758329A - Procede de preparation de benzopyranne-5-ols et des coumarines intermediaires en passant par de nouveaux beta- cetoesters - Google Patents

Procede de preparation de benzopyranne-5-ols et des coumarines intermediaires en passant par de nouveaux 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
English (en)
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/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)
BE758329D 1969-10-31 Procede de preparation de benzopyranne-5-ols et des coumarines intermediaires en passant par de nouveaux beta- cetoesters BE758329A (fr)

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 (fr) 1971-04-30

Family

ID=25360942

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758329D BE758329A (fr) 1969-10-31 Procede de preparation de benzopyranne-5-ols et des coumarines intermediaires en passant par de nouveaux beta- cetoesters

Country Status (8)

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

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 (de) * 1987-10-16 1989-04-25
CN108707129A (zh) 2012-07-27 2018-10-26 太阳化学公司 作为油墨中的光引发剂和光敏剂的香豆素酮

Family Cites Families (1)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
BE754723A (fr) Procede de preparation de
BE759208A (fr) Procede de preparation continue de
BE755624A (fr) Procede de preparation de 1,1-dihydro-perfluoro-alcanols
BE755412A (fr) Zeolites substituees par du phosphore et leur procede de preparation
BE745692A (fr) Procede de preparation d'acyloxy-4-azetidinones-2
BE758329A (fr) Procede de preparation de benzopyranne-5-ols et des coumarines intermediaires en passant par de nouveaux beta- cetoesters
BE760119A (fr) Procede de preparation du pentene-3-nitrile
BE753227A (fr) Procede de preparation de cyclododecatriene-1,5,9"
BE750399A (fr) Procede de preparation d'esters-isocyanates
BE745727A (fr) Procede de preparation de nitriles 3,4-insatures
BE758153A (fr) Procede de preparation du perchlorate de magnesium;
BE744417A (fr) Procede de preparation des dihydroxyalcoylbenzenes
BE758908R (fr) Procede de preparation de dimethyl-2, 2-hydroxy-3-
BE753775A (fr) Procede de preparation de nitroximes
BE756386A (fr) Procede de preparation de dimercapto-d-limonene
BE754867A (fr) Procede de preparation du 2-ethylhexanal-(1)
BE747284A (fr) Procede de preparation d'aryldimethylchlorosilanes
BE759159A (fr) Procede de preparation de 1,1,3,3-tetramethyl-guanidine
BE747310A (fr) Procede de preparation d'esters-isocyanates
BE750579A (fr) Procede de preparation de colorants oxaziniques basiques
BE758789A (fr) Procede de preparation d'hexacyanoferrate-(ii) de
BE748912A (fr) Procede de preparation du trioxanne
FR2073186A5 (fr) Procede de preparation de 2-alkoxy-4-hydroxy-pyrimidines
BE752622A (fr) Procede de preparation de n-alcenyl-acetamides
BE745787A (fr) Procede de preparation de sulfatobetaines