Methylamine → 2-{[5-(Trifluoromethyl)pyridin-2-yl]methyl}cyclopentan-1-amine

Participants

Reaction Steps

Methanamine (40% aq, 3 ml, 34.7 mmol) was added to a solution of 2-(2-{[5-(trifluoromethyl)pyridin-2-yl]methyl}cyclopentyl)-2,3-dihydro-1H-isoindole-1,3-dione (0.316 g, 0.84 mmol) in ethanol (5 ml). The reaction was stirred at room temperature for 24 hours and then further methanamine (40% aq, 3 ml, 34.7 mmol) was added. The reaction was stirred for 24 hours at room temperature and then re-suspended in ethanol (5 ml) and methanamine (40% aq, 3 ml, 34.7 mmol). The reaction stirred for 72 hours at room temperature. The reaction mixture was concentrated in vacuo and was then purified by reverse phase preparative HPLC (eluted with acetonitrile/water with 0.1% ammonia) and then purified by column chromatography (basic silica, 50-100% ethyl acetate/petrol) to afford the title compound.

Provenance & Evidence