反应详情

Method C (5 d at 40° C.); starting materials: 7-methoxy-6-(oxiranylmethoxy)-2H-1-benzopyran-2-one and 1-phenylpiperazine; yield 99%; fusion point 160°-162° C. (from isopropanol and ethanol). Hydrochloride: method F; yield 78%; fusion point 222°-225° C. (from isopropanol, ethanol and methanol).

1. customMethod C (5 d at 40° C.)