RO96798B1 - Procedeu de purificare a antrachinonei brute - Google Patents

Procedeu de purificare a antrachinonei brute

Info

Publication number
RO96798B1
RO96798B1 RO128113A RO12811387A RO96798B1 RO 96798 B1 RO96798 B1 RO 96798B1 RO 128113 A RO128113 A RO 128113A RO 12811387 A RO12811387 A RO 12811387A RO 96798 B1 RO96798 B1 RO 96798B1
Authority
RO
Romania
Prior art keywords
anthraquinone
purification
raw
toluene
crude
Prior art date
Application number
RO128113A
Other languages
English (en)
Inventor
Mihaela-Dina Stanescu
Corneliu-Anton Cociasu
Codrin-Ion-Victor Mina
Gheorghe Laurentiu
Original Assignee
Institutul De Cercetari Chimice
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 De Cercetari Chimice filed Critical Institutul De Cercetari Chimice
Priority to RO128113A priority Critical patent/RO96798B1/ro
Publication of RO96798B1 publication Critical patent/RO96798B1/ro

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Inventia se refera la un procedeu pentru purificarea antrachinonei brute prin recirstalizare, care se caracterizeaza prin aceea ca se recristalizeaza produsul brut din toluen, la temperaturi de 100...150 degree C la un raport 1/12...1/15 în greutate antrachinona bruta/toluen.
RO128113A 1987-05-07 1987-05-07 Procedeu de purificare a antrachinonei brute RO96798B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO128113A RO96798B1 (ro) 1987-05-07 1987-05-07 Procedeu de purificare a antrachinonei brute

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO128113A RO96798B1 (ro) 1987-05-07 1987-05-07 Procedeu de purificare a antrachinonei brute

Publications (1)

Publication Number Publication Date
RO96798B1 true RO96798B1 (ro) 1989-04-30

Family

ID=40905321

Family Applications (1)

Application Number Title Priority Date Filing Date
RO128113A RO96798B1 (ro) 1987-05-07 1987-05-07 Procedeu de purificare a antrachinonei brute

Country Status (1)

Country Link
RO (1) RO96798B1 (ro)

Similar Documents

Publication Publication Date Title
CA1268780C (en) N-hydroxyl protecting groups and process for the preparation of 3-acylamino-1-hydroxy-2-azetidinones
ES2071334T3 (es) Analogos de anillos fusionados de nitrogeno conteniendo heterociclos no aromaticos.
DE69001187D1 (de) 6-epifumagillole, ihre herstellung und ihre verwendung.
FI930552A0 (fi) Nytt foerfarande foer framstaellning av nukleotider
MY104341A (en) Substituted tetralins,chromans and related compounds in the treatment of asthma,arthritis and related diseases
FR2341541A1 (fr) Procede de fractionnement de courants de produits aromatiques, provenant notamment d'une reaction de transalkylation
RO84246B (ro) Procedeu de izolare si purificare a unor derivati de aminozaharuri ca inhibitori de glicozihidrolaze
FR2418813B1 (fr) Procede de purification de condensats de traitement d'une installation de gaz de synthese
EP0125056A3 (en) Condensed, seven-membered ring compounds, their production and use
ATE97410T1 (de) 6-amino-6-desoxyfumagillole, ihre herstellung und ihre verwendung.
FI88795B (fi) Foerfarande foer framstaellning av tienyletylaminer
RO96798B1 (ro) Procedeu de purificare a antrachinonei brute
NO180531C (no) Fremgangsmåte og anlegg for tilvirkning av råstoff-briketter for fremstilling av silisium, silisiumkarbid eller ferrosilisium
DE3886674D1 (de) Substituierte Chromane und verwandte Verbindungen für die Behandlung von Asthma.
DE3851865D1 (de) Verfahren zur Umwandlung des niedrigschmelzenden Polymorphs von Buspirone hydrochlorid in das höherschmelzende.
ES486706A1 (es) Un procedimiento de purificacion de acido dihidroxi-3 ,7 ,- (5 )colanico
EP0266303A3 (en) Antigestagens for the inhibition of uterine prostaglandin synthesis
ES2001564A6 (es) Procedimiento para la obtencion de tiazolilalquil y tienilalquilesteres de los acidos alfa-imidazolinon nicotinicos y benzoicos
IT8621101A0 (it) Pressa perfezionata per laproduzione di articoli sanitari.
IT7922250A0 (it) Metodo per la purificazione di caprolattame grezzo.
RO83117B1 (ro) Procedeu de purificare a 1-fenil-1-(4-dimetil-aminoetoxifenil)-2-fenil-1-butenei
RO95053B1 (ro) Procedeu pentru obtinerea unor concentrate de naftalina din benzina de piroliza
RO96592B1 (ro) Procedeu de obtinere a unor produse refractare carborundo-corindonice
IT7924653A0 (it) Procedimento di purificazione di caprolattame grezzo.
RO80163B1 (ro) Procedeu de preparare a unor 5-(3, 3-dialchil-1-triazenil)-1h-imidazol-4-carboxamide