反应详情

1-[2-(4-Aminopiperidin-1-yl)ethyl]-7,8-difluoroquinoxalin-2(1H)-one (Intermediate 153, 130 mg, 0.42 mmol), 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (WO 2004/058144) (70 mg, 0.42 mmol), and sodium triacetoxy borohydride (270 mg, 1.30 mmol) were reacted as described for Example 69 to give 82 mg (41%) of the free base of the product.