Sodium triacetoxyborohydride → HCID 15983305, compound

Participants

Reaction Steps

1-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoline-7-carbonitrile (Intermediate 14, 70 mg, 0.24 mmol), 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (WO 2004/058144) (42 mg, 0.24 mmol)and sodium triacetoxy borohydride (150 mg, 0.75 mmol) were reacted as described for Example 5. Chromatography on silica gel with dichloromethane/methanol (6:1) and crystallization from ethyl acetate/hexanes gave the product as a colorless solid, 73 mg (67%), mp 212° C.

Provenance & Evidence