Sodium cyanoborohydride → HCID 15983550, compound

Participants

Reaction Steps

4-[2-(4-aminopiperidin-1-yl)ethyl]-6-methoxy-2H-1,4-benzoxazin-3(4H)-one trifluoroacetate (Intermediate 46) (0.4 mmol), 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (WO 2004/058144) (80 mg, 0.44 mmol) and sodium cyanoborohydride were reacted as described under Example 21, but, the reaction was stirred at room temperature overnight after sodium cyanoborohydride addition to give the title compound as a free base, 30 mg (17%).

Provenance & Evidence