反应条件
<b>Multi-step reaction with 4 steps<br /> </b>1: tetra(n-butyl)ammonium hydrogensulfate; sodium hydrogencarbonate / dichloromethane; water / 1 h / 20 °C<br />2: caesium carbonate / N,N-dimethyl-formamide / 0.25 h / 50 °C / Microwave irradiation<br />3: CuSO<sub>4‵</sub>5H<sub>2</sub>O; sodium L-ascorbate / water; N,N-dimethyl-formamide; <i>tert</i>-butyl alcohol / 0.17 h / 50 °C / Microwave irradiation<br />4: ion exchange resin DIAION WK<sub>11</sub> / water; acetonitrile<br /> <br />
参考文献
Yakushiji, Fumika; Tanaka, Hironari; Muguruma, Kyohei; Iwahashi, Takahiro; Yamazaki, Yuri; Hayashi, Yoshio Chemistry - A European Journal, 2011 , vol. 17, # 45 p. 12587 - 12590