反应详情

1-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoxaline-7-carbonitrile (Intermediate 201, 0.11 g) was reacted with 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (WO 2004/058144) and sodium acetoxyborohydride as described for Example 107 yielding 17 mg of a colorless solid.