Acetic Anhydride → HCID 67414838, compound

Participants

Reaction Steps

18 g (0.11 mol) of the compound of step c were dissolved in 500 ml of acetic acid and 500 ml of acetic acid anhydride and hydrogenated for 20 h at a pressure of 2 bar over 5 g of palladium on barium sulfate. The reaction mixture was filtered and evaporated. The residue was dissolved in 1000 ml of ethanol, treated with 10.8 ml of perchloric acid and hydrogenated for 10 h at 50° C. and a pressure of 3.5 bar over 5 g of palladium on charcoal (10%). The resulting mixture was evaporated, the residue taken up in dilute NaOH solution and extracted with ethyl acetate. Evaporation of the combined organic phases and subsequent chromatography of the residue yielded racemic N-(6,7-dihydro-5H-[1]pyrindin-6-yl)acetamide.

Provenance & Evidence