Sol-gel entrapped pyridinium hydrobromide perbromide as a recyclable bromination agent: Its application to a one-pot bromination and dehydrobromination process

European Journal of Organic Chemistry

Volumn , Issue 6, 2006, Pages 1396-1399

  Levin, Yevgenia ^a   Hamza, Khalil ^a   Abu Reziq, Raed ^b   Blum, Jochanan ^a  

^a HEBREW UNIVERSITY OF JERUSALEM   (Israel)

^b UNIVERSITY OF OTTAWA   (Canada)

Author keywords

Bromination; Dehydrobromination; Guanidine base; One pot reaction; Silica sol gel

Indexed keywords

EID: 33645089912     PISSN: 1434193X     EISSN: 10990690     Source Type: Journal    
DOI: 10.1002/ejoc.200500982     Document Type: Article

References (11)

1. See: S. J. Broadwater, S. L. Roth, K. E. Price, M. Kobaslija, D. T. McQuade, Org. Biol. Chem. 2005, 3, 2899-2906.
2. a) F. Gelman, J. Blum, D. Avnir, J. Am. Chem. Soc. 2000, 122, 11999-12000;
3. b) F. Gelman, J. Blum, H. Schumann, D. Avnir, J. Sol-Gel Sci. Technol. 2003, 26, 43-46.
4. F. Gelman, J. Blum, D. Avnir, Angew. Chem. Int. Ed. 2001, 40, 3647-3649.
5. F. Gelman, J. Blum, D. Avnir, New J. Chem. 2003, 27, 205-207.
6. F. Gelman, J. Blum, D. Avnir, J. Am. Chem. Soc. 2002, 124, 14460-14463.
7. K. Hamza, R. Abu-Reziq, D. Avnir, J. Blum, Org. Lett. 2004, 6, 925-927.
8. L. F. Fieser, M. Fieser, Reagents for Organic Synthesis, Wiley, New York 1967, vol. 1, pp. 967-970.
9. a) R. Schwesinger, J. Willaredt, H. Schlemper, M. Keller, D. Schmitt, H. Fritz, Chem. Ber. 1994, 127, 2435-2454;
10. b) Y. V. Subba Rao, D. E. De Vos, P. A. Jacobs, Angew. Chem. Int. Ed. Engl. 1997, 36, 2661-2663.
11. F. L. Fieser, J. Chem. Educ. 1954, 31, 291-297.