HCID 86734410, compound → HCID 86734408, compound

Participants

Reaction Steps

4-Ethoxycarbonyl-1,2-dihydro-3,5-dimethyl-5H-pyrido[1,2-a]benzimidazolium perchlorate (2.22g; 0.006 mole) is refluxed for an hour with stirring in (DMA) dimethylacetamide (40ml) containing (Pd/C) palladium on carbon (10%) (about .4g). The mixture is cooled, filtered, and poured into stirred ether. After an hour the solid is filtered, washed with ether, and dried to give 1.58g (71.5%). Recrystallized from ethanol to give 1.18g (53.5%); m.p. 242°-245° d.

Provenance & Evidence