Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 72, Issue 2, Pages 630-632Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jo061723p
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[GRAPHIC] Iminium ions are generated by treatment of aminals with succinic anhydride. These iminium ions are trapped by heterocycles, giving the corresponding N-dialkylamino-methyl-substituted heterocycles, which are easily separated from the succinic acid monoamide byproducts by means of an aqueous base wash. The heterocyclic products are obtained in good yield and in a high state of purity without need of recrystallization or distillation.
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