反应详情

Method B (60 h at 50° C.); starting materials: 8-(3-chloropropoxy)-2,3-dihydro-7-methoxy-cyclopenta[c][1]benzopyran-4(1H)-one (example 83) and 1-(3-methoxyphenyl)piperazine; yield 58%; fusion point 130°-132° C. (from ethanol and isopropanol). Fumarate: method E; yield 80%; fusion point 174°-175° C. (from acetone).

1. customMethod B (60 h at 50° C.)