Nucleophilic substitution of hydrogen followed by intramolecular electrophilic aromatic substitution in nitro drevitavies of indazole has been used as a key step in the one pot synthesis of new fluorescent heterocyclic compounds 3H-pyrazolo[4,3-a]acridin-11-carbonitriles.
                                    氢的亲核取代随后在
吲唑的硝基自由基中进行分子内亲电芳香取代已被用作一锅法合成新型荧光
杂环化合物 3H-吡唑并[4,3-a]
吖啶-11-腈的关键步骤。