References
- A. C. White and R. M. Black. US Patent 3, 989, 709, 1997; Chemical Abstract 86, 72694c (1977).
- S. P. Vartale, P. N. Ubale, S. G. Sontakke, N. K. Halikar, and M. M. Pund, “Antioxidant and Antimicrobial Evaluation of Pyrimido [1, 2-a] benzimidazoles,” World Journal of Pharmaceutical Sciences 2 (2014): 665–70.
- P. F. Asobo, H. Wahe, J. T. Mbafor, A. E. Nkengfack, Z. T. Fomum, E. F. Sopbue, and D. Döpp, “Heterocycles of Biological Importance. Part 5. The Formation of Novel Biollogically Active Pyrimido[1,2-a]Benzimidazoles From Allenic Nitriles and Aminobenzimidazoles,” Journal of the Chemical Society, Perkin Transactions 1 (2001): 457–61. doi:10.1039/b005511p.
- R. J. Alajarin, J. Vaquero, J. Alvarez-Builla, M. F. Casa-Juana, C. Sunkel, J. G. Priego, P. Gomez-Sal, and R. Torresd, “Imidazo[1,5-A]Pyrimidine and Benzo[4,5]Imidazo-[1,2-a]Pyrimidine Derivatives as Calcium Antagonists,” Bioorganic & Medicinal Chemistry 2 (1994): 323–29. doi:10.1016/S0968-0896(00)82188-4.
- C. G. Neochoritis, T. Zarganes-Tzitzikas, C. A. Tsoleridis, J. Stephanidou-Stephanatou, C. A. Kontogiorgis, D. J. Hadjipavlou-Litina, and T. Choli-Papadopoulou, “One-Pot Microwave Assisted Synthesis Under Green Chemistry Conditions, Antioxidant Screening, and Cytotoxicity Assessments of Benzimidazole Schiff Bases and Pyrimido[1,2-a]Benzimidazol-3(4H)-Ones,” European Journal of Medicinal Chemistry 46 (2011): 297–306. doi:10.1016/j.ejmech.2010.11.018.
- A. Shaabani, A. Rahmati, A. H. Rezayan, M. Darvishi, Z. Badri, and A. Sarvari, “Clean Synthesis in Water: Uncatalyzed Three-Component Condensation Reaction of 3-Amino-1,2,4-Triazole or 2-Aminobenzimidazole with Aldehyde in The Presence of Activated CH-acids,” QSAR & Combinatorial Science 26 (2007): 973–79. doi:10.1002/qsar.200620024.
- M. V. Reddy, J. Oh, and Y. T. Jeong, “p-Toluenesulfonic Acid-Catalyzed One-Pot Synthesis of 2-Amino-4-Substituted-1,4-dihydrobenzo[4,5]Imidazolo[1,2-a]Pyrimidine-3-Carbonitriles Under Neat Conditions,” Comptes Rendus Chimie 17 (2014): 484–93. doi:10.1016/j.crci.2013.08.007.
- Y. Cui, J. Wang, J. Yin, C. Ji, and C. Guo, “Synthesis of 1,4-Dihydropyrimido[1,2-a]Benzimidazole Derivatives Via Microwave in Water,” Chinese Journal of Applied Chemistry 1 (2010): 53–7.
- J. Liu, M. Lie, and L Hu, “Thiamine Hydrochloride (VB1): an Efficient Promoter for The One-Pot Synthesis of Benzo[4,5]imidazo[1,2-a]Pyrimidine and [1,2,4]Triazolo[1,5-a]Pyrimidine Derivatives in Water Medium,” Green Chemistry 14 (2012): 840–46. doi:10.1039/c2gc16499j.
- L. S. Akbari, G. H. M. Ziarani, A. Badiei, M. Yadavi, P. Hajiabbasi, and A. A. Soorkic, “Multicomponent Synthesis of Benzo[4,5]Imidazo[1,2-a]Pyrimidine Derivatives Using Novel Ionic Liquid Supported Nanoporous Silica and Their Antimicrobial Properties,” Revista de Chimie 64 (2013): 832–37.
- R. Ghorbani-Vaghei, Z. Toghraei-Semiromi, R. Karimi-Nami, and Z. Salimi, “One-Pot Synthesis of Pyrimido[1,2-a]Benzimidazoles Under Solvent-Free Conditions,” Helvetica Chimica Acta 97 (2014): 979. doi:10.1002/hlca.201300361.
- A. Shaabani, A. Rahmati, and S. Naderi, “A Novel One-Pot Three-Component Reaction: Synthesis of Tri-Heterocyclic 4H-pyrimido[2,1-b]benzazoles ring systems,” Bioorganic & Medicinal Chemistry Letters 15 (2005): 5553–7. doi:10.1016/j.bmcl.2005.08.101.
- F. Shirini, M. Seddighi, M. Mazloumi, M. Makhsous, and M. Abedini, “One-Pot Synthesis of 4,4ʹ-(arylmethylene)-Bis-(3-methyl-1-phenyl-1H-pyrazol-5-ols) Catalyzed by Brönsted Acidic Ionic Liquid Supported on Nanoporous Na+-montmorillonite,” Journal of Molecular Liquids 208 (2015): 291–97. doi:10.1016/j.molliq.2015.04.027.
- F. Shirini, M. Mazloumi, and M. Seddighi, “Acidic Ionic Liquid Immobilized on Nanoporous Na+-Montmorillonite as an Efficient And Reusable Catalyst For The Formylation of Amines and Alcohols,” Research on Chemical Intermediates 42 (2016): 1759–76. doi:10.1007/s11164-015-2116-0.