反应条件
1.1: 0.17 h / 180 °C 2.1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 20 °C 3.1: water; acetic acid / 2 h / Reflux 4.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / Inert atmosphere 5.1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 20 °C 6.1: sodium methylate / tetrahydrofuran; methanol / 20 °C 6.2: ion-exchange resin / 0.5 h 7.1: Pearlman's catalist; hydrogen / tetrahydrofuran; ethanol / 12 h View Scheme
参考文献
Tetrahedron, , vol. 67, # 25 p. 4731 - 4741