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Science 15 July 1994:
Vol. 265. no. 5170, pp. 359 - 361
DOI: 10.1126/science.265.5170.359
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Articles

Catalytic Activation of Carbon-Fluorine Bonds by a Soluble Transition Metal Complex

Michael Aizenberg 1 and David Milstein 1

1 Department of Organic Chemistry, Weizmann Institute of Science, Rehovot 76100, Israel

Homogeneous catalytic activation of the strong carbon-fluorine bonds under mild conditions was achieved with the use of rhodium complexes as catalysts. The catalytic reactions between polyfluorobenzenes and hydrosilanes result in substitution of fluorine atoms by hydrogen atoms and are chemo- and regioselective. With individual stoichiometric steps observed and combined, and with intermediates isolated and fully characterized (including crystal structures), these systems demonstrate the effectiveness of a rational approach to catalytic design.

Submitted on March 14, 1994
Accepted on June 1, 1994

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Science. ISSN 0036-8075 (print), 1095-9203 (online)