Abstract

The Pschorr reaction of 8-amino-1, 2, 3, 4-tetrahydro-6, 7-dimethoxy-1-(3, 4-dimethoxybenzyl)-2-methylisoquinoline (Ia) under alkaline conditions gave three compounds, which were separated by chromatography on silica gel into two components, dl-glaucine and a mixture of two isomeric 2, 5-dienones, the latter of which were separated by fractional recrystallization of their picrolonate into each dienone (Va and VIa).

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