1,10-Phenanthroline → 3-(4-Iodophenoxy)-1-azabicyclo[2.2.2]octane

Participants

Reaction Conditions

Reaction Steps

Under N2, the mixture of 3-hydroxy quinuclidine (Aldrich, 2.54 g, 20 mmol), 1,4-diiodobenzene (Aldrich, 7.9 g, 24 mmol), Cul (Strem Chemicals, 0.38 g, 2 mmol) and 1,10-phenanthroline (Aldrich, 0.72 g, 4 mmol) in toluene (anhydrous, Aldrich, 50 mL) was stirred at 110° C. for 40 h. After the reaction went to completion, the reaction mixture was diluted with chloroform (100 mL) and washed with water (2×10 mL). The organic solution was concentrated and the title compound was purified by chromatography (SiO2, CH2Cl2:MeOH:NH3.H2O, 90:10:1, Rf. 0.20) as oil (3.7 g, yield, 56%). 1H NMR (300 MHz, CD3OD) δ 1.40-1.56 (m, 1H), 1.64-1.80 (m, 2H), 1.90-2.08 (m, 1H), 2.10-2.21 (m, 1H), 2.60-3.00 (m, 5H), 3.34-3.40 (m, 1H), 4.46 (m, 1H), 6.73 (d, J=8.8 Hz, 2H), 7.56 (d, J=8.8, Hz, 2H), ppm. MS (DCI/NH3) m/z 330 (M+H)+.

Provenance & Evidence