Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1981-12-10
1988-05-31
Siegel, Alan
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
560100, 560102, 560109, 560111, C07D33324, C07C 6976
Patent
active
047482532
ABSTRACT:
Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals in the presence of a Lewis acid.
The rection is preferably carried out in the presence of catalytic amounts of a Lewis acid and of a diluent at a temperature in the range from about 0.degree. to the reflux temperature of diluent.
The esters thus obtained are useful as intermediate products for preparing drugs.
The process involves the preparation of new alpha-haloketals.
REFERENCES:
Olah, "Friedel-Crafts & Related React.", vol. 1 (1963), pp. 254-255.
Belli Aldo
Giordano Claudio
Uggeri Fulvio
Villa Giovanni
Blasinachim S.p.A.
Siegel Alan
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