One-pot regioselective synthesis of 2,9-disubstituted imidazo[1,2-a] benzimidazoles from 2-aminobenzimidazole and α-tosyloxy ketones

Journal of Chemical Research

Volumn , Issue 9, 2007, Pages 519-520

  Kumar, Ashok ^a   Kumar, Sunil ^a   Kumar, Devinder ^a   Gupta, Rakesh K ^a  

^a GURU JAMBHESHWAR UNIVERSITY OF SCIENCE AND TECHNOLOGY   (India)

Author keywords

2 aminobenzimidazole; Benzimidazoles; Fused imidazoles; tosyloxy ketones

Indexed keywords

EID: 36049003638     PISSN: 03082342     EISSN: None     Source Type: Journal    
DOI: 10.3184/030823407X244850     Document Type: Article

References (19)

1. H. Ogura, H. Takayanagi, Y. Ymazaki, S. Yonezawa, H. Takagi, S. Kobayashi, T. Kamioka and K. Kamoshita, J. Med. Chem., 1972, 15, 923.
2. P. George, D.D. Peretti, J. Roy, J.P. Schmitt and M. Servin, Eur Patent, 607 046, 1994;
3. Chem. Abstr., 1994, 121, 157 646;
4. US Patent, 5 466 706, 1995;
5. Chem. Abstr., 1995, 123, 2 113 490.
6. X. Han, S.S. Pin, K. Burria, L.K. Fung, S. Huang, M.T. Taber, J. Zhang and M. Dubowchik, Bioorg. Med. Chem. Lett., 2005, 15, 4029.
7. T. Jen, P. Bender, H. Van Hoeven, B. Dienel and B. Love, J. Med. Chem., 1973, 16, 407.
8. A.A. Spasov, M.V. Chemikov, V.A. Anisimova, T.A. Kuzmenko and M.M. Osipova, Khim-Farm. Zh., 2000, 34, 48,
9. Chem. Abstr., 2001, 134, 216795.
10. W. Nawrocka, B. Sztuba, H. Liszkiewicz, M.W. Kowalska, J. Wietrzyk, D. Nevozhai and A. Opolski, Polish J. Chem., 2005, 79, 709;
11. Chem. Abstr., 2005, 144, 36291.
12. R.P. Soni, Aust. J. Chem., 1981, 34, 1557.
13. A.J. Blake, B.A.J. Clark, H. McNab and C.C. Sommerville, J. Chem. Soc. Perkin Trans. I, 1997, 1605.
14. A.M. Farag and K.M. Dawood, Heteroatom Chem., 1997, 8, 129.
15. K.C. Nicolaou, T. Montagnon, T. Ulven, P.S. Baran Y.L. Zhong and F. Sarabia, J. Am. Chem. Soc., 2002, 124, 5718.
16. G.F. Koser, A.G. Relenyi, A.N. Kalos, L. Rebrovic and R.H. Wettach, J. Org. Chem., 1982, 47, 2487.
17. O. Prakash, N. Rani and P.K. Sharma, Synlett., 1994, 221.
18. S. Abe, K. Sakuratani and H. Togo, J. Org. Chem., 2001, 66, 6174.
19. T. Mas, R.M. Claramunt, M.D.S. Maria, D. Sanz, S.H. Alarcon, M.P. Torralba and J. Elguero, Arkivoc, 2002, v, 48.