RO90676B1 - Process for preparing 7-hydroxy-4-methyl-coumarin - Google Patents

Process for preparing 7-hydroxy-4-methyl-coumarin

Info

Publication number
RO90676B1
RO90676B1 RO116379A RO11637984A RO90676B1 RO 90676 B1 RO90676 B1 RO 90676B1 RO 116379 A RO116379 A RO 116379A RO 11637984 A RO11637984 A RO 11637984A RO 90676 B1 RO90676 B1 RO 90676B1
Authority
RO
Romania
Prior art keywords
hydroxy
coumarin
methyl
preparing
methylcoumarin
Prior art date
Application number
RO116379A
Other languages
Romanian (ro)
Other versions
RO90676A2 (en
Inventor
Alexandru Cascaval
Tatiana Nicolaescu
Virgil Barboiu
Cornelia Luca
Gheorghe Zaharia Stoica
Georgeta Balica
Rosiori Hrutcumaria
Original Assignee
Institutul Politehnic
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 Institutul Politehnic filed Critical Institutul Politehnic
Priority to RO116379A priority Critical patent/RO90676B1/en
Publication of RO90676A2 publication Critical patent/RO90676A2/en
Publication of RO90676B1 publication Critical patent/RO90676B1/en

Links

Landscapes

  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrane Compounds (AREA)

Abstract

Inventia descrie un procedeu de preparare a 7-hidroxi-4-metilcumarinei, prin reactia dintre rezorcina si ester acetilacetic în prezenta acidului sulfuric.The invention describes a process for the preparation of 7-hydroxy-4-methylcoumarin by the reaction of resorcinol and acetylacetic ester in the presence of sulfuric acid.

RO116379A 1984-11-23 1984-11-23 Process for preparing 7-hydroxy-4-methyl-coumarin RO90676B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO116379A RO90676B1 (en) 1984-11-23 1984-11-23 Process for preparing 7-hydroxy-4-methyl-coumarin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO116379A RO90676B1 (en) 1984-11-23 1984-11-23 Process for preparing 7-hydroxy-4-methyl-coumarin

Publications (2)

Publication Number Publication Date
RO90676A2 RO90676A2 (en) 1987-01-30
RO90676B1 true RO90676B1 (en) 1987-01-31

Family

ID=20115868

Family Applications (1)

Application Number Title Priority Date Filing Date
RO116379A RO90676B1 (en) 1984-11-23 1984-11-23 Process for preparing 7-hydroxy-4-methyl-coumarin

Country Status (1)

Country Link
RO (1) RO90676B1 (en)

Also Published As

Publication number Publication date
RO90676A2 (en) 1987-01-30

Similar Documents

Publication Publication Date Title
ATE51225T1 (en) PROCESS FOR THE PREPARATION OF 2-OXO-1,3DIOXOLANES.
AU631216B2 (en) Intermediates for the production of podophyllotoxin and related compounds and processes for the preparation and use thereof
DE3575949D1 (en) METHOD FOR PRODUCING VANADIUM SLAG.
FI853604A7 (en) Method for purifying phosphoric acid.
UA8017A1 (en) Method for producing derivatives of quinolinecarboxylic acid
ATE46518T1 (en) SIALOSYLCEREBROSIDES AND PROCESS FOR THEIR PRODUCTION.
UA49804C2 (en) process for preparing N-hydroxyalkylaminomethylphosphonic acid (versions) and N-phosphonomethylglycerin or salts thereof
ES8607904A1 (en) Process for preparing trifluoroacetic anhydride.
UA19151A (en) A process for preparation of optically active (+)-4- demethoxydaunomicinon
DE3679890D1 (en) METHOD FOR PRODUCING ALLOYS REINFORCED BY NITRIDE DISPERSIONS.
BG38637A3 (en) Method for preparing 2- exo- hydroxy- 7- oxabicyclo [2, 2, 1] heptanes
ES8706693A1 (en) Process for the production of 7-aca derivatives.
CA1268468C (en) Thiabicycloheptane substituted prostaglandin analogs
MY103874A (en) Process for the preparation of 5-chloro-3-chlorosulpho- nyl-2-thiophenecarboxylic acid esters.
ATE17230T1 (en) PROCESS FOR THE PREPARATION OF 2'-4'-DIFLUORO-4HYDROXY-(1,1'-DIPHENYL)CARBONIC ACID.
JPS5745646A (en) Information processing system
BG39977A3 (en) Method for preparing derivatives of furyloxazolylacetic acid
DE3584804D1 (en) METHOD FOR THE OXYDATION OF ALKANS.
ATE53836T1 (en) PROCESS FOR PREPARING 7-(2-HEXYL-5-HYDROXY-CYKLOPENTYL)HEPTANOIC ACID.
ES2040873T3 (en) A METHOD OF PURIFICATION OF AN AQUEOUS M-AMINOPHENOL SOLUTION.
DE3461189D1 (en) New 3-alkylthio-2-o-carbamoyl-propane-1.2-diol-1-o-phosphocholines, and processes for their preparation
DE3672926D1 (en) METHOD FOR PRODUCING 6-AMINO-PENICILLANIC ACID-1,1-DIOXYD BY OXYDATION OF 6-AMINO-PENICILLANIC ACID.
ATA342185A (en) DEVICE FOR EASIER CONNECTION OF BURNERS, ESPECIALLY PLASMA GENERATORS, TO REACTOR LINES IN SHAFT OVENS
DE3668166D1 (en) METHOD FOR PRODUCING ALKYLARYL ETHERS.
AU4359785A (en) Verfahren und vorrichtung zur ingangsetzung des glimm-bzw. glosvorganges von gegenstanden