1: With triphenylphosphine in dichloromethane
T=20°C; Inert atmosphere;
2: With 1,8-diazabicyclo[5.4.0]undec-7-ene in dichloromethane
T=20°C; Cooling with iceInert atmosphere;
参考文献
Tarrade-Matha, Aurelie; Pillon, Florence; Doris, Eric
Synthetic Communications, 2010 , vol. 40, # 11 p. 1646 - 1649
1: pyridine / dichloromethane / 3 h / 0 - 20 °C / Inert atmosphere
2: (S)-2-((4-benzyl-1-(2,6-diisopropylphenyl)-4,5-dihydro-1H-imidazol-3-ium-3-yl)methyl)benzenesulfonate / diethyl ether / 17 h / -15 °C / Inert atmosphere
View Scheme
参考文献
Latham, Christopher M.; Blake, Alexander J.; Lewis, William; Lawrence, Matthew; Woodward, Simon
European Journal of Organic Chemistry, 2012 , # 4 p. 699 - 707