Diisopropylethylamine → 1-(trans-3-(4-Chlorophenyl)allyl)-perhydroazepin-4-one

Participants

Reaction Steps

4-Perhydroazepinone hydrochloride (2.5 g, prepared according to Synth. Commun. 1992, 1249-1258) was suspended in acetonitrile (80 ml); diisopropylethylamine (4.4 ml) and 4-chlorocinnamyl chloride (2.7 g) were successively added at room temperature and the resulting reaction mixture was stirred at room temperature for 20 hours. The solvent was removed in vacuo and the residue purified by silica gel chromatography (eluent cyclohexane:ethyl acetate 6:4) to afford 1-(trans-3-(4-chlorophenyl)allyl)-perhydroazepin-4-one (1.84 g) as a foam. MS (ES+) 264/266 (M+H+).

Provenance & Evidence