反应条件
pyridine in tetrahydrofuran; toluene 1.) -40 deg C, 0.5 h, 2.) -40 deg C -> room temperature, 90 min;
参考文献
Pine, Stanley H.; Pettit, Robert J.; Geib, Gregory D.; Cruz, Susana G.; Gallego, Claudio H.; et al.
Journal of Organic Chemistry, 1985 , vol. 50, # 8 p. 1212 - 1216