反应详情

bromo-4-methylsulfonyl-2-nitrobenzene (1.5 g, 5.36 mmol), ethynylcyclopropane (0.7 g, 10.72 mmol), K2CO3 (1.5 g, 10.72 mmol) in CH3CN (30 ml), Pd(ACN)2Cl2 (55.5 mg, 0.21 mmol) and X-phos (128 mg, 0.27 mmol) under N2 were heated at 45° C. for 3 h. EA extractive work up and preparative TLC (PE:EtOAc=5:1) gave the title compound (1.2 g).