反应条件
1: 91.8 percent / titanium(III) chloride / methanol; H2O / 0.12 h / Ambient temperature 2: 1.)NaNO2, HCl / 1.) water and methanol, 5 deg C, 5 min, 2.) water, 97 deg C, 20 min 3: 42.1 percent / aq. NaOH (40percent) / methanol / 10 h / Heating View Scheme
参考文献
Chemical and Pharmaceutical Bulletin, , vol. 29, # 11 p. 3145 - 3157
