反应条件
1: 77 percent / concd. sulfuric acid, sodium nitrite / H2O / 2.5 h / 35 °C
2: 99 percent / thionyl chloride, N,N-dimethylformamide / 2.5 h / Heating
3: 57 percent / tetrahydrofuran; H2O / 0.5 h
View Scheme
参考文献
Horspool, K. R.; Stevens, M. F. G.; Newton, C. G.; Lunt, E.; Walsh, R. J. A.; et al.
Journal of Medicinal Chemistry, 1990 , vol. 33, # 5 p. 1393 - 1399