1. Aggarwal VK, De Vicente J, Bonnert RV (2003) A novel one-pot method for the preparation of pyrazoles by 1,3-dipolar cycloadditions of diazo compounds generated in situ. J Org Chem 68:5381–5383
2. Ajay BN, Govindasamy S (2010) Synthesis of benzoxazoles by an efficient Ullmann-type intramolecular C(aryl)–O bond-forming coupling cyclization with a BINAM-copper(II) catalyst. Synthesis 4:579–586
3. Akbay A, Oren I, Temiz-Arpaci O, Aki-Sxener E, Yalcin I (2003) Synthesis and HIV-1 reverse transcriptase inhibitor activity of some 2,5,6-substituted benzoxazole, benzimidazole, benzothiazole and oxazolo (4,5-b) pyridine derivatives. Arzneim Forsch 54:266–271
4. Akhilesh G, Swati R (2010) Synthesis and cyclization of benzothiazole: review. J Curr Pharm Res 3:13–23
5. Andrzejewska M, Yepez-Mulia L, Cedillo-Rivera R, Tapia A, Vilpo L, Vilpo J, Kazimierczuk Z (2002) Synthesis, antiprotozoal and anticancer activity of substituted 2-trifluoromethyl- and 2-pentafluoroethylbenzimidazoles. Eur J Med Chem 37:973–978