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
Journal of Organic Chemistry, , vol. 56, # 15 p. 4671 - 4677