RO92847B1 - Process for the purification of alpha-naphthol - Google Patents

Process for the purification of alpha-naphthol

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Publication number
RO92847B1
RO92847B1 RO120340A RO12034085A RO92847B1 RO 92847 B1 RO92847 B1 RO 92847B1 RO 120340 A RO120340 A RO 120340A RO 12034085 A RO12034085 A RO 12034085A RO 92847 B1 RO92847 B1 RO 92847B1
Authority
RO
Romania
Prior art keywords
naphthol
purification
alpha
synthesis
product
Prior art date
Application number
RO120340A
Other languages
Romanian (ro)
Other versions
RO92847A2 (en
Inventor
Otilia Magdalena Petre
Elena Dumitru
Teofil Bota
Dragomir Fercala
Constantin Roibu
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 RO120340A priority Critical patent/RO92847B1/en
Publication of RO92847A2 publication Critical patent/RO92847A2/en
Publication of RO92847B1 publication Critical patent/RO92847B1/en

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Abstract

Inventia se refera la un procedeu de purificare avansata a alfa-naftolului tehnic care contine beta-naftol ca impuritate principala, prin recristalizare din amestec de solventi. Purificarea este impusa de necesitatea încadrarii produsului în conditiile de calitate de înalta puritate cerute de utilizarea alfa-naftolului ca intermedisr în sinteza unor pesticide medicamente sau produse cosmetice. Alegeres solventilor de purificare este corelata cu principala utilizare a produsului, intermediar în sinteza principiului 1-naftil-N-metil-carbamat.The invention relates to an advanced purification process of the technical alpha-naphthol containing beta-naphthol as the main impurity by recrystallization from the solvent mixture. Purification is required by the need to place the product in the high-purity quality required by the use of alpha-naphthol as intermediary in the synthesis of pesticides or cosmetics. The choice of purification solvents is correlated with the main use of the product, intermediate in the synthesis of 1-naphthyl-N-methyl-carbamate.

RO120340A 1985-10-11 1985-10-11 Process for the purification of alpha-naphthol RO92847B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO120340A RO92847B1 (en) 1985-10-11 1985-10-11 Process for the purification of alpha-naphthol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO120340A RO92847B1 (en) 1985-10-11 1985-10-11 Process for the purification of alpha-naphthol

Publications (2)

Publication Number Publication Date
RO92847A2 RO92847A2 (en) 1987-12-31
RO92847B1 true RO92847B1 (en) 1988-01-01

Family

ID=20118054

Family Applications (1)

Application Number Title Priority Date Filing Date
RO120340A RO92847B1 (en) 1985-10-11 1985-10-11 Process for the purification of alpha-naphthol

Country Status (1)

Country Link
RO (1) RO92847B1 (en)

Also Published As

Publication number Publication date
RO92847A2 (en) 1987-12-31

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