反应条件
1: 1.) (COCl)2, DMSO, i-Pr2NEt / 1.) CH2Cl2, -78 deg C, 2.) THF, room temp. 2: Bu4NF / tetrahydrofuran / 0 - 25 °C 3: DMAP / pyridine 4: F3CCO2H / 0 °C 5: DMAP / pyridine 6: conc. HNO3, conc. H2SO4 / -20 - 25 °C 7: aq. HCl / 90 °C 8: 73 percent / 90 °C View Scheme
参考文献
Tetrahedron Letters, , vol. 39, # 46 p. 8503 - 8004
