Process for the preparation of substituted indanones

Details Process for the preparation of substituted indanones Process for the preparation of substituted indanones

1993-09-10

1994-11-01

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568323, 568322, C07C 4545

Patent

active

053609360

ABSTRACT:
1-Indanones of the formula IV or IVa ##STR1## in which R.sup.1 to R.sup.7 are preferably hydrogen or alkyl, or adjacent radicals R.sup.1 to R.sup.4 form a ring, are obtained in a one-step reaction by reacting a compound I ##STR2## with a compound of the formula II ##STR3## or with a compound of the formula (III) ##STR4## in anhydrous hydrogen fluoride and with boron trifluoride.

REFERENCES:
patent: 2456452 (1948-12-01), Seeger
Fieser et al., "Inter- and Intramolecular Acylations with Hydrogen Fluoride," J. Am. Chem. Soc. (1939), vol. 61, pp. 1272-1281.
Hart et al., "Acylation-Alkylation Studies. I," J. Am. Chem. Soc. (1950), vol. 72, pp. 3286-3287.

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