Dibenzyl selenide15
9 (a) L. W. Bieber, A. C. P. F. Sa´, P. H. Menezes and S. M. C. Gonc¸alves,
Tetrahedron Lett., 2001, 42, 4597; (b) F. M. de Andrade, W. Massa,
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Chem., 2008, 5387.
Yield: 78%; 1H NMR (CDCl3, 400 MHz) d = 7.31-7.25 (m, 8H),
7.23-7.19 (m, 2H), 3.72 (s, 4H); 13C (CDCl3, 100 MHz) d = 139.26,
129.01, 128.07, 126.71, 27.16.
Benzyl ethyl selenide10
10 A. L. Braga, P. H. Schneider, M. W. Paixa˜o and A. M. Deobald,
Tetrahedron Lett., 2006, 47, 7195.
Yield: 81%; 1H NMR (CDCl3, 400 MHz) d = 7.29–7.25 (m, 4H),
7.23–7.18 (m, 1H), 3.79 (s, 2H), 2.50 (q, J = 7.6 Hz, 2H), 1.37 (t,
J = 7.2 Hz, 3H); 13C (CDCl3, MHz) d = 132.42, 130.80, 128.90,
126.31, 27.01, 17.8, 15.9.
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Benzyl phenyl selenide12
Yield: 98%; 1H NMR (CDCl3, 400 MHz) d = 7.50–7.42 (m, 2H),
7.28–7.14 (m, 8H), 4.10 (s, 2H); 13C (CDCl3, 100 MHz) d = 138.60,
133.53, 130.40, 128.94, 128.82, 128.39, 127.26, 126.82, 32.21.
Acknowledgements
The authors thank CNPq, Capes and FAPERGS for financial
support. Senthil thanks TWAS-CNPq for the PhD fellowship,
E. E. A. also thanks CNPq for the PhD fellowship.
Notes and references
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4650 | Org. Biomol. Chem., 2009, 7, 4647–4650
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