6. References
1. Banerjee, S.; Sereda, G. . Tetrahedron Lett. 2009, 50, 6959-6962.
2. Banerjee, S.; Horn, A.; Khatri, H.; Sereda, G. . Tetrahedron Lett. 2011, 52, 1878-1881.
3. Bagley, M. C.; Davis, T.; Dix, M. C.; Rokicki, M. J.; Kipling, D. Bioorg. Med. Chem. Lett. 2007, 17, 5107-5110.
4. Boatman, P.D.; Urban, J.; Nguyen, M.; Qabar, M.; Kahn, M. Bioorg. Med. Chem. Lett. 2003, 13, 1445-1449.
5. Izydore, R. A.; Bernal-Ramirez, J. A.; Singh, P. J. Org. Chem. 1990, 55, 3761-3767
6. Agnihotri,G.; Misra, A. K. Tetrahedron Lett. 2007, 48, 7553.
7. Tiwari, P.; Misra, A. M. Mahdavinia, G.H. J. Mol. Cata.A-Chem. 2007, 275, 25.
9. Khan, AT.; Ghosh, S.; Choudhury, LH. Eur. J. Org. Chem. 2006, 9, 2226.
10.Wu, LQ.; Yang, CG.; Zhang, C.; Yang, LM. Lett . Org . Chem. 2009, 6,234.
11. Bazgir, A.; Seyyedhamzeh, M.; Yasaei, Z.; Mirzaei, P. Tetrahedron Lett. 2007, 48, 8790-8794.
12.Chari, M.A.; Karthikeyan, G.; Pandurangan, A.; Naidu, T.S.; Sathyaseelan, B.; Javaid Zaidi, S.M.; Vinu, A. Tetrahedron Lett. 2010. 51, 2629.
13. Kidwai, M.; Chauhan, R. Communication. 2012, 2, 7660–7665.
14. Breton, G. W. J. Org. Chem. 1997, 62, 8952