反应条件
1: 1.) n-butyl Li / 1.) THF, hexane, 30 min; 2.) 0 deg C, THF, 30 min 2: 100 percent / hydrogen / 5percent Pd-C / ethanol / 1 h / Ambient temperature 3: 90 percent / BBr3 / CH2Cl2 / 1.) -70 deg C; 2.) room temperature, 1.5 h View Scheme
参考文献
Phytochemistry, , vol. 20, # 4 p. 781 - 786
