反应详情

Following the general procedure of Example 11 and making noncritical variations, 6-bromo-2-(chloromethyl)imidazo[1,2-a]pyridine (0.253 g), 1-(4-fluorophenyl)piperazine (Aldrich; 0.186 g), triethylamine (Aldrich; 0.104 g), and ethylene glycol (2 mL) give 0.249 g of the title compound after chromatography (silica gel, methanol/dichloromethane, 4/96) and crystallization from dichloromethane/hexane; mp 110-112° C.; MS m/z 388, 390; IR (mineral oil) 1511, 1234, 1219, 1448, 1326 cm-1. 1H NMR (CDCl3) δ2.74, 3.16, 3.77, 6.87-6.98, 7.21, 7.48, 7.53, 8.24.