反应条件
1: 85 percent / various solvent(s) / 7 h / 80 °C
2: 92 percent / SnCl2*2H2O, cc HCl, / 2 h
3: 1.) NaNO2, 30percent HCl, 2.) 50percent hypophosphorous, / 1.) H2O, -5 to 0 deg C, 2.) 6 h,
4: 91 percent / H2, / 5percent Pt/C, / acetic acid / Ambient temperature
5: 2.) PPA, / 1.) 150 deg C, 1 h, 2.) 150 deg C, 30 min, 3.) reflux, 1 h,
View Scheme
参考文献
Ishikawa; Tabusa; Miyamoto; Kano; Ueda; Tamaoka; Nakagawa
Chemical and Pharmaceutical Bulletin, 1989 , vol. 37, # 8 p. 2103 - 2108