反应条件
1: triphenylphosphine; di-isopropyl azodicarboxylate / dichloromethane; tetrahydrofuran / 12 h / 0 - 20 °C / |Inert atmosphere 2: hydrogenchloride; sodium tetrahydroborate / ethanol / 16 h / -15 °C / |Inert atmosphere 3: trifluorormethanesulfonic acid / dichloromethane / 1 h / 0 - 20 °C / |Inert atmosphere 4: (SPY-5-31)-dichloro-(κ2(C,O)-(2-isopropyloxybenzylidene))(1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene)ruthenium / dichloromethane / 18 h / 40 °C / |Inert atmosphere 5: 5 palladium on charcoal; hydrogen / ethanol / 16 h / 20 °C View Scheme
参考文献
Watkin, Samuel V.; Camp, Nicholas P.; Brown, Richard C. D.
Organic Letters, 2013 , vol. 15, # 17 p. 4596 - 4599
