RO81675A2 - Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat - Google Patents

Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat

Info

Publication number
RO81675A2
RO81675A2 RO81103400A RO10340081A RO81675A2 RO 81675 A2 RO81675 A2 RO 81675A2 RO 81103400 A RO81103400 A RO 81103400A RO 10340081 A RO10340081 A RO 10340081A RO 81675 A2 RO81675 A2 RO 81675A2
Authority
RO
Romania
Prior art keywords
naphtole
escarlat
copolating
diazone
toluidine
Prior art date
Application number
RO81103400A
Other languages
English (en)
French (fr)
Other versions
RO81675B1 (ro
Inventor
Anca L Ardeleanu
Felicia Brodman
Doina Kupfer
Dumitru Dobrescu
Panait Stanculescu
Iulia Dumitrescu
Elena Dobrin
Original Assignee
Intreprinderea De Coloranti"Colorom",Ro
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 Intreprinderea De Coloranti"Colorom",Ro filed Critical Intreprinderea De Coloranti"Colorom",Ro
Priority to RO103400A priority Critical patent/RO81675B1/ro
Publication of RO81675A2 publication Critical patent/RO81675A2/ro
Publication of RO81675B1 publication Critical patent/RO81675B1/ro

Links

RO103400A 1981-02-13 1981-02-13 Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat RO81675B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO103400A RO81675B1 (ro) 1981-02-13 1981-02-13 Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO103400A RO81675B1 (ro) 1981-02-13 1981-02-13 Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat

Publications (2)

Publication Number Publication Date
RO81675A2 true RO81675A2 (ro) 1983-04-29
RO81675B1 RO81675B1 (ro) 1983-04-30

Family

ID=20109556

Family Applications (1)

Application Number Title Priority Date Filing Date
RO103400A RO81675B1 (ro) 1981-02-13 1981-02-13 Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat

Country Status (1)

Country Link
RO (1) RO81675B1 (ro)

Also Published As

Publication number Publication date
RO81675B1 (ro) 1983-04-30

Similar Documents

Publication Publication Date Title
RO89436A2 (ro) Procedeu pentru prepararea unor(laril-ciclobutil)-alchilamine
RO82370A (ro) Procedeu pentru prepararea unor derivati de 9-aminodibenzopiran
LU77723A1 (fr) Procede pour la preparation de suspensions aqueuses concentrees de carbonate de calcium
FR2549836B1 (fr) Procede de preparation du sel de sodium de cefuroxime
PT67713A (fr) Procede pour l'obtention de cristaux de carbonate de sodium monohydrate
FR2444288B1 (fr) Procede pour realiser des extraits de couleur
FR2499984B1 (fr) Procede pour la preparation de disulfures de thiurame
RO79398A (ro) Procedeu pentru prepararea unor 1-oxa-detiacefalosporine
FR2503158B1 (fr) Procede pour la preparation de dithiazolyldisulfures
RO78091A (ro) Procedeu pentru prepararea unor derivati de 1-azoletena
BE864002A (fr) Procede pour la preparation de mefloquine
FR2511681B1 (fr) Procede pour la preparation de derives de 3-exo-methylenecephame
BE882763Q (fr) Procede pour la production de lactulose
RO81675A2 (ro) Procedeu de cuplare a sarii de diazoniu a 3-nitro-p-toluidinei cu beta-naftolul pentru obtinerea pigmentului ecarlat
BE882508A (fr) Procede perfectionne pour la production de 3-0-demethyl-fortimicines
BE871961A (fr) Procede ameliore pour la production d'alkylene-glycols
RO82277A (ro) Procedeu pentru prepararea derivatilor de 11,-dedecen/1-il
FR2503710B1 (fr) Procede de production du sel de sodium de l'amoxicilline
RO78802A (ro) Procedeu pentru prepararea unor derivati esterici ai n-trifluoracetil-n-fosfonometilglicinei
BE880139A (fr) Procede pour la preparation de chloro-amino-s-triazines
BE879821A (fr) Procede selectif pour la preparation de derives de 7-hydroxy-coumarine
PT70444A (fr) Procede de preparation electrolytique des chlorates alcalins
PT69394A (fr) Procede pour la preparation d'un sel de penicyline
RO81525A (ro) Procedeu pentru prepararea ynor 9-fluor-prednisolone
RO75074A (ro) Procedeu pentru prepararea unor tiofenoli