3
6. C.R. Winck, A.C. Lima, P.V.S. Rizzo, A.W. Rinaldi, N.L.C.
3. Conclusion
Domingues, Orbital - The Electronic Journal of Chemistry, 4
(2012), 96.
7. F.A. Beleze, A.J.G. Zarbin, J. Braz. Chem. Soc. 12 (2001), 542.
In short, synthetically versatile β-enaminones were prepared
with the use of the hybrid catalysts Zn[Pro]2 and Zn[Gly]2 in a
green protocol and using the ultrasound and solvent free
conditions. This extension of the scope for the use of Zn[Pro]2
and Zn[Gly]2 here underlined their ability to promote the
synthesis of β-enaminones with high yields, assuring the
maintenance of other groups like esters.
8. J. Kofoed, J.L. Reymond, T. Darbre, Org. Biomol. Chem.
(2005), 1850.
3
9. V.R. Sivamurugan, S. Kumar, M. Palanichamy, V. Murugesan,
J. Heterocycl. Chem. 42 (2005) 969.
10. V. Sivamurugan, A. Vinu, M. Palanichamy, V. Murugesan,
Heteroat. Chem. 17 (2006), 267.
11. Z.N. Siddiqui, T.N.M. Musthafa, S. Praveen, F. Farooq, Med.
Chem. Res. 20 (2011), 1438.
Acknowledgments
12. M. Kidwai, A. Jain, R. Poddar, S. Bhardwaj, Appl. Organomet.
Chem. 25 (2011), 335.
13. Z.N. Siddiqui, Tetrahedron. Lett. 53 (2012), 4974.
14. V. Sivamurugan, K. Deepa, M. Palanichamy, V. Murugesan,
Synth. Commun. 34 (2004), 3833.
Brazilian author (M.P.D) thanks to Conselho Nacional de
Desenvolvimento Científico e Tecnológico for scholarship and
the author C.R.W thanks to Coordenação de Aperfeiçoamento de
Pessoal de Nível Superior (CAPES) for financial support.
15. M.M. Heravia, A. Ghodsa, K. Bakhtiaria, F. Derikvanda, Synth.
Commun. 40 (2010), 1927.
16. M. Kidwai, A. Jain, R.J. Poddar, J. Organomet. Chem. 696
(2011), 1939.
Supplementary data
17. M. Kidwai, A. Jain, S. Bhardwaj, Catal. Lett. 141(2011), 183.
18. M. Kidwai, A. Jain, R. Poddar, S. Bhardwaj, Appl. Organometal.
Chem. 25 (2011), 335.
Supplementary data (general experimental procedures and
spectral data) associated with this article can be found, in the
online version, at http://
19. Z.N. Siddiqui, F. Farooq, Catal. Sci. Technol. 1 (2011), 810.
20. Z.N. Siddiqui, Tetrahedron Lett. 53 (2012) 4974.
21. Z.N. Siddiqui, C. R. Chim. 16 (2013), 183.
22. M. Kidwai, A. Jain, R. Poddar, J. Organomet. Chem. 696 (2011),
1939.
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