5214
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concentrated to afford the crude product. If further purification
was needed it was passed through a short column of silica gel.
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Acknowledgment
25. Reddy, T. S.; Narasimhulu, M.; Suryakiran, N.; Mahesh, K. C.; Ashalatha, K.;
Venkateswarlu, Y. Tetrahedron Lett. 2006, 47, 6825–6829.
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Chem. 2005, 7, 203–206.
The research council of Persian Gulf University, Bushehr, Iran, is
gratefully acknowledged for the financial support provided for this
work.
28. Kamal, A.; Khan, M. N. A.; Reddy, K. S.; Srikanth, Y. V. V.; Krishnaji, T.
Tetrahedron Lett. 2007, 48, 3813–3818.
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