The direct functionalization of C-H bonds in organic compounds has recently emerged as a powerful and ideal method for the formation of carbon-carbon and carbon-heteroatom bonds. This Review provides an overview of C-H bond functionalization strategies for the rapid synthesis of biologically active compounds such as natural products and pharmaceutical targets.

C-H bond functionalization: emerging synthetic tools for natural products and pharmaceuticals

In this critical review, the strategic and economic benefits of C–H functionalization logic will be analyzed through the critical lens of total synthesis. In order to illustrate the dramatically simplifying effects this type of logic can potentially have on synthetic planning, we take the reader through a series of case studies in which it has already been successfully applied. In the first section, a chronological look at key historical syntheses will be examined, leading into modern day examples. In the second section, our own experience with applying and executing synthesis with a C–H functionalization “mindset” will be discussed (114 references).

C–H functionalization logic in total synthesis

Albert Isidro-Llobet, Mercedes Alvarez,* and Fernando Albericio* Institute for Research in Biomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain; CIBER-BBN, Networking Centre on Bioengineering, Biomaterials and Nanomedicine, Barcelona Science Park, Baldiri Reixac 10, 08028 Barcelona, Spain; Laboratory of Organic Chemistry, Faculty of Pharmacy, University of Barcelona, 08028 Barcelona, Spain; and Department of Organic Chemistry, University of Barcelona, Marti i Franques 1, 08028 Barcelona, Spain Received April 28, 2008

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Amino Acid-Protecting Groups

Die direkte Funktionalisierung von C-H-Bindungen in organischen Molekulen hat sich in jungster Zeit zu einer wirksamen und idealen Methode entwickelt, mit der Kohlenstoff-Kohlenstoff- und Kohlenstoff-Heteroatom-Bindungen geknupft werden konnen. Der Aufsatz gibt einen Uberblick uber die Strategien, die durch Funktionalisierung von C-H-Bindungen eine rasche Synthese von biologisch aktiven Verbindungen wie Naturstoffen und pharmazeutischen Zielsubstanzen ermoglichen.

R. B. Woodward

Papers

The Total Synthesis of Cephalosporin C1