FR1171912A - Procédé pour la préparation de la 3-acétyl-4-hydroxycoumarine - Google Patents

Procédé pour la préparation de la 3-acétyl-4-hydroxycoumarine

Info

Publication number
FR1171912A
FR1171912A FR1171912DA FR1171912A FR 1171912 A FR1171912 A FR 1171912A FR 1171912D A FR1171912D A FR 1171912DA FR 1171912 A FR1171912 A FR 1171912A
Authority
FR
France
Prior art keywords
hydroxycoumarin
acetyl
preparation
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
Other languages
English (en)
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.)
Distillers Co Yeast Ltd
Distillers Co Ltd
Original Assignee
Distillers Co Yeast Ltd
Distillers Co 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 Distillers Co Yeast Ltd, Distillers Co Ltd filed Critical Distillers Co Yeast Ltd
Application granted granted Critical
Publication of FR1171912A publication Critical patent/FR1171912A/fr
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
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR1171912D 1953-09-25 1954-09-24 Procédé pour la préparation de la 3-acétyl-4-hydroxycoumarine Expired FR1171912A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB321873X 1953-09-25

Publications (1)

Publication Number Publication Date
FR1171912A true FR1171912A (fr) 1959-02-03

Family

ID=10334631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1171912D Expired FR1171912A (fr) 1953-09-25 1954-09-24 Procédé pour la préparation de la 3-acétyl-4-hydroxycoumarine

Country Status (5)

Country Link
US (1) US2847423A (fr)
CH (1) CH321873A (fr)
DE (1) DE1124960B (fr)
FR (1) FR1171912A (fr)
GB (1) GB747744A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9255059B2 (en) 2013-08-02 2016-02-09 Eastman Chemical Company Method for producing an alkyl 3-hydroxybutyrate
US9163202B2 (en) 2013-08-02 2015-10-20 Eastman Chemical Company Aqueous cleaning compositions including an alkyl 3-hydroxybutyrate
US9388114B2 (en) 2013-08-02 2016-07-12 Eastman Chemical Company Compositions including an alkyl 3-hydroxybutyrate
US9249378B2 (en) 2013-08-02 2016-02-02 Eastman Chemical Company Aqueous cleaning compositions having enhanced properties
CN107986966A (zh) * 2017-12-14 2018-05-04 山东汇海医药化工有限公司 一种乙酰乙酸异丙酯的制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102746C (fr) *
US2449038A (en) * 1944-10-23 1948-09-07 American Cyanamid Co Preparation of 3-substituted benzotetronic acid and salts thereof

Also Published As

Publication number Publication date
CH321873A (fr) 1957-05-31
US2847423A (en) 1958-08-12
GB747744A (en) 1956-04-11
DE1124960B (de) 1962-03-08

Similar Documents

Publication Publication Date Title
FR1149118A (fr) Procédé de préparation de polyesters
FR1211341A (fr) Procédé pour la préparation de 2-amino-imidazolines
FR1115504A (fr) Procédé de préparation de la méthylène-1-bis-4, 5-dioxytétra-hydro-3-oxyméthylimidazolone-2
FR1171912A (fr) Procédé pour la préparation de la 3-acétyl-4-hydroxycoumarine
FR1097071A (fr) Procédé de préparation de cyclopentadiénides métalliques
FR1075407A (fr) Procédé pour la préparation de nouveaux aza-cyclo-alkanes
FR1083312A (fr) Procédé pour la préparation de combinaisons silico-organiques
FR1101369A (fr) Procédé de préparation de phénylhalosilanes
FR1076600A (fr) Procédé pour la préparation de mononitro-hydrocarbures
FR1091146A (fr) Procédé pour la préparation de ferro-silicium
FR1117483A (fr) Procédé pour la préparation de composés époxydés
FR1230411A (fr) Procédé pour la préparation de 5-5-heptaméthylène-2-4-dithiospirohydantoïne
FR1148219A (fr) Procédé pour la préparation de la 4-stilbènaldéhyde
CH322253A (fr) Procédé de préparation de nouvelles amino-nitro-dihydroxy-anthraquinones
FR1089884A (fr) Procédé pour la préparation de pantéthine
FR1171921A (fr) Procédé pour la préparation de pyridoxine
FR1159181A (fr) Procédé pour la préparation de propynyl-carbinols
FR1160685A (fr) Procédé de préparation de 8-bromothéophylline-2-amino-2-méthyl-1-propanol
FR1110683A (fr) Procédé de préparation de 17-céto-stéroïdes
FR1085842A (fr) Procédé de préparation de cétostéroïdes alpha-bromés
CH328265A (fr) Procédé de préparation de 21-bromo-stéroïdes
FR1104648A (fr) Procédé de préparation du 3. 5. 8. 10-tétra-bromo-pyrène
FR1192113A (fr) Procédé perfectionné de préparation de 3-céto-delta4-stéroïdes
FR1091685A (fr) Procédé pour la préparation de morpholines substituées
FR1102946A (fr) Procédé pour la préparation de 2, 4, 6-trinitrochlorobenzène