METHOD OF PREPARING SUBSTITUTED INDANONES

摘要

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.