Phase-Vanishing Reactions that Use Fluorous Media as a Phase Screen. Facile, Controlled Bromination of Alkenes by Dibromine and Dealkylation of Aromatic Ethers by Boron Tribromide
Ilhyong Ryu,* Hiroshi Matsubara, Shinji Yasuda, Hiroyuki Nakamura and Dennis P. Curran
*Department of Chemistry, Faculty of Arts and Sciences, Osaka Prefecture
University, Sakai, Osaka 599-8531, Japan, Email: ryu
ms.cias.osakafu-u.ac.jp
I. Ryu, H. Matsubara, S. Yasuda, H. Nakamura, D. P. Curran, J. Am. Chem. Soc., 2002, 124, 12946-12947.
DOI: 10.1021/ja027965y
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Abstract
In bromination of alkenes by dibromine and dealkylation of aromatic ethers by boron tribromide, a fluorous phase acts as a liquid membrane permitting passive transport of the reagents at the bottom to the top layer involving the substrates, thereby regulating the reactions.
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Key Words
ID: J48-Y2002-1320
