反应条件
1: 1) 2N HCl, NaNO2, 2) CuCl / 1) H2O, 0 - 5 degC, 20 min., 2) toluene, pH 6.5 (adding Na2CO3), a) 0 degC, 30 min, b) r.t, 12 h 2: 59 percent / N,N-dimethyl-acetamide / 6 h / 150 °C View Scheme
参考文献
Hynes, John B.; Tomazic, Alenka; Parrish, Christie A.; Fetzer, Oliver S.
Journal of Heterocyclic Chemistry, 1991 , vol. 28, # 5 p. 1357 - 1364
