反応 #50602

ord-59e6ac6dded24aa182cf6bb832ef04bd

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他Method B (32 h at 50° C.)

実験手順

Method B (32 h at 50° C.); starting materials: 6-[3-(methanesulfonyloxy)propoxy]-7-methoxy-4-methyl-2H-1-benzopyran-2-one (example 74) and 1-phenylpiperazine; yield 77%; fusion point 137°-140° C. (from isopropanol and ethanol). Fumarate: method E; yield 79%; fusion point 195°-200° C. (from ethanol and acetone).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05428038uspto-grants-1995_06