Process for the preparation of 2,2,4-trimethyl-1,2-dihydroquinol

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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546178, C07D21506, C07D21514

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active

045145709

ABSTRACT:
Disclosed is a process for preparing 2,2,4-trimethyl-1,2-dihydroquinoline compounds by reacting acetone with an aniline compound in the presence of a strongly acidic sulfonic acid-type macroreticular cation exchange resin catalyst. 2,2,4-Trimethyl-1,2-dihydroquinoline compounds are obtained in good yield and containing substantially no catalyst residue contaminant.

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