RO92846B1 - Procedeu de obtinere a 8-amino-2-naftolului - Google Patents

Procedeu de obtinere a 8-amino-2-naftolului

Info

Publication number
RO92846B1
RO92846B1 RO120188A RO12018885A RO92846B1 RO 92846 B1 RO92846 B1 RO 92846B1 RO 120188 A RO120188 A RO 120188A RO 12018885 A RO12018885 A RO 12018885A RO 92846 B1 RO92846 B1 RO 92846B1
Authority
RO
Romania
Prior art keywords
amino
obtaining
naphthol
naphthalenesulfonate
warmed
Prior art date
Application number
RO120188A
Other languages
English (en)
Other versions
RO92846A2 (ro
Inventor
Danila Pavel Purdela
Original Assignee
Centrul De Chimie
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 Centrul De Chimie filed Critical Centrul De Chimie
Priority to RO120188A priority Critical patent/RO92846B1/ro
Publication of RO92846A2 publication Critical patent/RO92846A2/ro
Publication of RO92846B1 publication Critical patent/RO92846B1/ro

Links

Landscapes

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

Abstract

Inventia se refera la un procedeu de obtinere a 8-amino-2-naftolului, utilizat la fabricarea intermediarului N-(7-hidroxi-1-naftil) acetamica, aceasta din urma stand la baza a numerosi coloranti acizi complecsi prin adaugarea 8-amino-2-naftalinsulfonatului de sodiu, sub forma de pasta, într-o topitura de hidroxid de potasiu dupa ce aceasta s-a încalzit la peste 230 grade C.
RO120188A 1985-09-24 1985-09-24 Procedeu de obtinere a 8-amino-2-naftolului RO92846B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO120188A RO92846B1 (ro) 1985-09-24 1985-09-24 Procedeu de obtinere a 8-amino-2-naftolului

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO120188A RO92846B1 (ro) 1985-09-24 1985-09-24 Procedeu de obtinere a 8-amino-2-naftolului

Publications (2)

Publication Number Publication Date
RO92846A2 RO92846A2 (ro) 1987-10-30
RO92846B1 true RO92846B1 (ro) 1987-10-31

Family

ID=20117961

Family Applications (1)

Application Number Title Priority Date Filing Date
RO120188A RO92846B1 (ro) 1985-09-24 1985-09-24 Procedeu de obtinere a 8-amino-2-naftolului

Country Status (1)

Country Link
RO (1) RO92846B1 (ro)

Also Published As

Publication number Publication date
RO92846A2 (ro) 1987-10-30

Similar Documents

Publication Publication Date Title
RO68925A (ro) Procedeu pentru prepararea unor derivati de acid fenoxiacetic
IT1126543B (it) Gel dell'acido silicico,procedimento per la loro produzione,nonche' relativo impiego
IT1059780B (it) Procedimento per la produzione di acido solforico
FR2285872A1 (fr) Procede de preparation de nouveaux amides d'acide 2,3-dihydro-1-benzothiepin-4-carboxylique
FR2281423A1 (fr) Procede de preparation de composes azotes utilises comme detergents
MX163684B (es) Mejoras a proceso para la fabricacion de composicion detergente moteada
IT1114096B (it) Procedimento per la produzione di lamiere di acciaio al silicio
PT64673B (fr) Procede pour la preparation de nouvelles perhaloalcoylamidines substituees utilisees comme stimulants cardiaques
RO69608A (ro) Procedeu pentru prepararea unor 1,2-benzizotiazol-3-one
IT1060298B (it) Processo per la produzione di birra
BE846394A (fr) Procede pour la preparation de solutions concentrees de tension-actifs fluores amphoteres
IT1026172B (it) Procedimento per la produzione di acido p nitrobenzoico
IT1019217B (it) Procedimento per la produzione di fluoruri di acido solfonico
RO92846B1 (ro) Procedeu de obtinere a 8-amino-2-naftolului
RO74667A (ro) Procedeu pentru prepararea unor acizi 7 beta-(d-2-amino-2-(alchilsulfonilaminofenil)-acetilamino)-3-alcoxi-3-cefem-4-carboxilici
IT1019661B (it) Processo per la purificazione di acido sorbico
IT1034770B (it) Processo per la preparazione di azocomposti di piu elevatapurezza
FR2294132A1 (fr) Procede pour la production de gypse de recuperation
RO70232A (ro) Procedeu pentru prepararea unor 4-pirazoli-4h-1,2,4-triazolil
IT1071328B (it) Miscela grezza per la produzione di cemento alluminoso refrattario
BE825934A (fr) Procede de production d'isobutane
IT1037722B (it) Processo per la preparazione di acido sorbico
AR218217A1 (es) Proceso para la preparacion de acido 3,6-dicloropicolinico
BE835855A (fr) Procede de preparation de nouvelles 7,7 -diphenyl - hexahydro - 1,4 - oxazepines
IT1053844B (it) Procedimento per la produzione di acido diaceton 2 chetogulonico