Iodoethane → 1-(3,4-Dichlorophenyl)-3-(propan-2-yl)-3-azabicyclo[3.1.0]hexane

Participants

Reaction Steps

To a stirred solution of 1-(3,4-dichlorophenyl)-3-aza-bicyclo[3.1.0]hexane hydrochloride (10.0 g, 43.8 mmol) in DMF (20 mL) was added 2-iodoethane (9.67 g, 56.9 mmol) and DIPEA (7.35 g, 56.9 mmol). The resulting solution was stirred at ambient temperature for 6 h. After this time, the solvent was removed under vacuum and the residue was dissolved in CH2Cl2 (50 mL). The organic layer was washed with water (2×50 mL), 2N sodium hydroxide (50 mL) and brine (50 mL). The organics were dried (Na2SO4) and concentrated under vacuum. Three reactions were run in parallel and then combined for purification via column chromatography (silica gel, EtOAc) to provide the title compound (17.3 g, 49% yield) as a yellow oil: LC (ELS)/MS: 91%, m/z 271.6 [C14H17Cl2N+H]+; 1H NMR (300 MHz, CDCl3): δ 0.75 (dd, 1H, J=4.2 Hz, J==8.1 Hz), 1.05 (dd, 6H, J=4.7 Hz, J=6.3 Hz), 1.44 (t, 1H, J=4.2 Hz), 1.67 (td, 1H, J=3.9 Hz, J=8.0 Hz), 2.50 (m, 3H), 3.11 (d, 1H, J=8.6 Hz), 3.31 (d, 1H, J=8.4 Hz), 6.96 (dd, 1H, J=2.1 Hz, J=8.3 Hz), 7.22 (d, 1H, J=2.1 Hz), 7.32 (d, 1H, J=8.3 Hz).

Provenance & Evidence