1: With iron sulphate heptahydrate; methanesulfonic acid; m-nitrobenzene sulfonic acid sodium salt T=125°C; Skraup reaction; 18.5 h; 2: With potassium hydroxide in water pH=14; Cooling with ice;
参考文献
Wang, Chao; Flanigan, Darrin M.; Zakharov, Lev N.; Blakemore, Paul R.
Organic Letters, 2011 , vol. 13, # 15 p. 4024 - 4027