反应详情

The title compound was prepared as a pale brown solid in 35% yield (69 mg) from 4-hydroxy-N,N,1,2-tetramethyl-1H-benzimidazole-6-carboxamide (120 mg, 0.51 mmol, WO 2004054984) and 4-chloro-5-fluorochromane (100 mg, 0.54 mmol, STEP 2) by the same manner in STEP 1 of Example 1: