反应详情

2-(3-Piperidin-4-ylmethyl-[1,2,4]oxadiazol-5-yl)furo[3,2-c]pyridine (Preparation 12, 50 mg, 0.176 mmol), ethyl 6-chloronicotinate (49 mg, 0.264 mmol) and DBU (40 mg, 0.264 mmol) were shaken in DMSO (1 mL) at 100° C. for 20 h. The reaction mixture was allowed to cool to room temperature, before being acidified with AcOH. Purification by RP-HPLC yielded the title compound: RT=5.74 min; m/z (ES+)=434.4 [M+H]+.

1. customPurification by RP-HPLC