Piperidine → HCID 53686284, compound

Participants

Reaction Steps

A mixture of 3.9 g of 5'-bromo-2'-hydroxy-2-(methylsulfinyl)acetophenone, 2.2 g of p-cyanocinnamaldehyde, 50 ml of toluene and 0.1 ml of piperidine was refluxed for 4 hrs. The mixture was chilled, and the precipitate was filtered and recystallized from DMF, mp 275°-76° ; yield 1 g (20%); λ max mμ (ε) 223 (22,700), 273 (12,900), 330 (41,000); ν max 840 (m), 980 (m), 1280 (m), 1640 (m), 1660 (ms), 2240 (m) cm-1.

Provenance & Evidence