反应详情

Into a methylene chloride (4 mL) solution of 5-[1,3]dioxolan-2-yl-2-(4-fluoro-benzyl)-benzofuran (100 mg, 0.335 mmol) and carbon tetrabromide (222 mg, 0.67 mmol) was dropped a methylene chloride (1 mL) solution of triphenylphosphine (176 mg, 0.67 mmol), while cooling with ice.

1. temperaturewhile cooling with ice