反应条件
1: oxalyl chloride in DMSO, Et3N 2: NaClO2, NH2SO3H / dioxane; H2O 3: diethyl ether 4: DDQ / CH2Cl2; H2O 5: oxalyl chloride in DMSO, Et3N 6: 65 percent / n-BuLi / 2-methyl-propan-2-ol; tetrahydrofuran 7: 17 percent / p-TsOH*H2O / ethanol; H2O 8: 80 percent / 1N aq. NaOH View Scheme
参考文献
Chemical and Pharmaceutical Bulletin, , vol. 42, # 4 p. 994 - 996