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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 20, 1990 - Issue 14
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Original Articles

Palladium in Cephalosporin Chemistry: Mild Triflate Couplings in the Absence of Phosphines and Halide Donors

Stephen R. Baker Chemical Process Development Bristol-Myers Squibb Company, P.O. Box 4755, Syracuse, New York, 13221-4755
,
Gregory P. Roth Chemical Process Development Bristol-Myers Squibb Company, P.O. Box 4755, Syracuse, New York, 13221-4755
&
Chester Sapino Chemical Process Development Bristol-Myers Squibb Company, P.O. Box 4755, Syracuse, New York, 13221-4755
Pages 2185-2189 | Received 18 May 1990, Published online: 24 Oct 2006
 
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Abstract

Palladium catalyzed triflate-organostannane couplings are shown to proceed in a very mild manner in the absence of added phosphine and halide reagents. This protocol has been demonstrated for 3-trifloxycephems and vinyl triflates.

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