ABD EL-AAL, Hassan Abdou Kotb; EL-KHAWAGA, Ahmed Mahmoud Abdel Mageed; KHALAF, Ali Ali. Friedel-Crafts chemistry: Part 41. A new facile synthesis of indeno[1,2-c] pyrazoles, 2H-benzo[g]indazoles and benzo[6,7]cyclohepta[1,2-c]pyrazoles via Friedel-Crafts ring closures. European Journal of Chemistry, [S. l.], v. 5, n. 2, p. 277–286, 2014. DOI: 10.5155/eurjchem.5.2.277-286.976. Disponível em: https://www.eurjchem.com/index.php/eurjchem/article/view/976. Acesso em: 27 apr. 2024.