反应条件
1.1: lithium aluminium tetrahydride / tetrahydrofuran
1.2: 0.33 h
2.1: triphenylphosphine; diisopropyl (E)-diazene-1,2-dicarboxylate / tetrahydrofuran / 20.5 h / 0 - 30 °C
3.1: hydrazine hydrate / methanol / 3 h / Reflux
4.1: triethylamine / 5 h / 130 °C / Microwave irradiation
5.1: sodium nitrite; acetic acid / water / 3 h / 20 °C
View Scheme
参考文献
NOVARTIS AG; DAI, Miao; FU, Xingnian; HE, Feng; JIANG, Lei; LI, Yue; LIANG, Fang; LIU, Lei; MI, Yuan; XU, Yao-chang; XUN, Guoliang; YAN, Xiaoxia; YU, Zhengtian; ZHANG, Ji, Yue
Patent: WO2011/20861 A1, 2011 ;