反应条件
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / 0 °C / |Inert atmosphere
1.2: 3 h / 0 - 20 °C / |Inert atmosphere
2.1: trifluoroacetic acid / dichloromethane / 16 h
3.1: hydrazine hydrate / ethanol / 2.5 h / |Reflux
4.1: sodium hydroxide; m-nitrobenzene sulfonic acid sodium salt / water / 1.5 h / |Reflux
5.1: AlCl3, aluminium chloride / dichloromethane / 19 h / 20 °C
View Scheme
参考文献
Ochiai, Koji; Takita, Satoshi; Kojima, Akihiko; Eiraku, Tomohiko; Iwase, Kazuhiko; Kishi, Tetsuya; Ohinata, Akira; Yageta, Yuichi; Yasue, Tokutaro; Adams, David R.; Kohno, Yasushi
Bioorganic and Medicinal Chemistry Letters, 2013 , vol. 23, # 1 p. 375 - 381