Process for preparing aryl piperidine diones

Details Process for preparing aryl piperidine diones Process for preparing aryl piperidine diones

C - Chemistry, Metallurgy

07

D

260/292.1, 260/2

C07D 211/90 (2006.01)

Patent

CA 1327585

Abstract A process is disclosed for the preparation of a compound of formula (I): Image (I) wherein Ar is aryl or substituted aryl and R3 is hydrogen, alkyl or aralkyl, which process comprises reducing a compound of formula (II): Image (II) wherein Ar and R3 are as defined with respect to formula (I) and R4 is alkyl. Compounds of formula (I) are useful as chemical intermediates.

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