反应条件
1.1: methanol; sodium tetrahydroborate / 1 h / 0 °C / Inert atmosphere 2.1: 1H-imidazole / dichloromethane / 2 h / 0 °C / Inert atmosphere 3.1: sodium hydride / tetrahydrofuran; mineral oil / 0.5 h / 0 - 20 °C / Inert atmosphere 3.2: 0.5 h / 0 °C / Inert atmosphere 3.3: 0 - 20 °C / Inert atmosphere 4.1: 2,2'-azo-bisisobutyronitrile; tri-n-butyl-tin hydride / toluene / 2 h / Inert atmosphere; Reflux 5.1: methanol; toluene-4-sulfonic acid / 0.5 h / 0 - 20 °C / Inert atmosphere 6.1: dimethyl sulfoxide; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere 7.1: magnesium / tetrahydrofuran / 0.5 h / 0 - 20 °C / Inert atmosphere 7.2: 0 - 20 °C / Inert atmosphere 7.3: 20 °C 8.1: dimethyl sulfoxide; 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere 9.1: palladium 10 on activated carbon; hydrogen / benzene / 4 h / 20 °C View Scheme
参考文献
Sabitha, Gowravaram; Srinivas, Chitti; Maruthi, Chittapragada; Yadav, Jhillu Singh
Tetrahedron Asymmetry, 2011 , vol. 22, # 24 p. 2071 - 2079