反应条件
1.1: pyridine / 2 h / 100 °C
2.1: Lawesson's reagent / chlorobenzene / 6 h / Reflux
3.1: sodium hydroxide; K3Fe(CN)6 / ethanol; water / 1 h / 90 °C
4.1: tin(ll) chloride / ethanol / 4 h / Reflux; Inert atmosphere
5.1: sodium methylate / methanol / 4 h / 20 °C
5.2: 1.5 h / Reflux
6.1: boron tribromide / dichloromethane; water / 12 h / 20 °C
View Scheme
参考文献
Chi, Dae-Yoon; Lee, Byoung-Se; Uthaiwan, Sirion; Chu, So-Young; Bae, Yu-Jin; Park, Chansoo; Moon, Dae-Hyuk; Ryu, Jin-Sook; Kim, Jae-Seung; Oh, Seung-Jun
Patent: US2012/214994 A1, 2012 ;