反应详情

温度

80 °C

To a stirred suspension of (1-trityl-1H-imidazol-4-ylmethyl)-phosphonic acid diethyl ester (448 mg; CAS 473659-21-1) at r.t. in THF (7 ml) under an argon atmosphere were added potassium tert-butylate (109 mg) and 2-chlorobenzaldehyde (114 mg). The mixture (clear brown orange solution) was heated to 80° C. over night. The reaction mixture was cooled to r.t and concentrated. The crude product was purified by column chromatography (silica gel; gradient: cyclohexane→cyclohexane/EtOAc 3:2) to give 4-[2-(2-chloro-phenyl)-vinyl]-1-trityl-1H-imidazole (329 mg) as off-white solid. MS (ISP): 243.3 ([Trt]+)

1. temperatureThe reaction mixture was cooled
2. concentrationconcentrated
3. customThe crude product was purified by column chromatography (silica gel; gradient: cyclohexane→cyclohexane/EtOAc 3:2)