反应条件
1: NaI - Zn / dimethylformamide / 2 h / Heating 2: NaOCH3 3: 1) dibutyltin oxide / 1) toluene, reflux, 2) DMF, 100 deg C 4: 81 percent / propionic acid / 145 °C 5: 80 percent / 1) 9-BBN, 2) oxidation 6: 76 percent / hydrogen / Pd/C / 735.5 Torr 8: Na2S - S / dimethylformamide / 90 °C 9: hydrolysis View Scheme
参考文献
Tetrahedron Letters, , vol. 28, # 19 p. 2183 - 2186
