Volume 22, Issue 16
Natural Products
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ChemInform Abstract: Palladium Catalysis in Cephalosporin Chemistry: General Methodology for the Synthesis of Cephem Side Chains.

V. FARINA

V. FARINA

Chem. Process Dev., Bristol-Myers Squibb, Syracuse, NY 13221-4755, USA

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S. R. BAKER

S. R. BAKER

Chem. Process Dev., Bristol-Myers Squibb, Syracuse, NY 13221-4755, USA

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D. A. BENIGNI

D. A. BENIGNI

Chem. Process Dev., Bristol-Myers Squibb, Syracuse, NY 13221-4755, USA

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S. I. HAUCK

S. I. HAUCK

Chem. Process Dev., Bristol-Myers Squibb, Syracuse, NY 13221-4755, USA

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C. JUN. SAPINO

C. JUN. SAPINO

Chem. Process Dev., Bristol-Myers Squibb, Syracuse, NY 13221-4755, USA

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First published: April 23, 1991

Abstract

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ChemInform Abstract

Palladium-catalyzed coupling of the hydroxycephem triflates (I) with the stannanes (II) or (IV) yields stereoselectively the 3-substituted cephems (III) and (V) respectively. Further reactions in this series are described in the original paper.

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