反应详情

Method A (4 h at 80° C.); starting materials: 6-[3-methanesulfonyloxy)propoxy]-7-methoxy-2H-1-benzopyran-2-one (example 67) and 4-phenylpiperidine; yield 55%; fusion point 123°-125° C. (from isopropanol). Hydrochloride: method G; yield 96%; fusion point 212°-215° C. (from isopropanol and ethanol).

1. customMethod A (4 h at 80° C.)