METHOD OF PREPARING SUBSTITUTED INDANONES

METHOD OF PREPARING SUBSTITUTED INDANONES

FIELD: chemical industry. SUBSTANCE: present invention describes method for preparing substituted indanones of formula IV or IVa: wherein R1-R is preferably hydrogen or alkyl, or adjacent residues, R1-R form cycle, obtained by one stage reaction which comprises reacting compound of formula (I): with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAURENT VAJSSE, KHAJNTS SHTRUTTS
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:FIELD: chemical industry. SUBSTANCE: present invention describes method for preparing substituted indanones of formula IV or IVa: wherein R1-R is preferably hydrogen or alkyl, or adjacent residues, R1-R form cycle, obtained by one stage reaction which comprises reacting compound of formula (I): with compound of formula (II): or with compound of formula (III): in anhydrous hydrogen fluoride and in the presence on boron trifluoride. EFFECT: more efficient preparation method.