反应条件
nitric acid in trifluoroacetic acid
T=0°C; 0.5 h; positional reactivity of dibenzofuran in electrophilic substitutions, isomer ratio depends on the nature of nitrating species; other solvents, temperatures, nitrating agents; Product distributionMechanism;
参考文献
Keumi, Takashi; Tomioka, Naoto; Hamanaka, Kozo; Kakihara, Hirohito; Fukishima, Masahiko; et al.
Journal of Organic Chemistry, 1991 , vol. 56, # 15 p. 4671 - 4677
