1. Selective Rhodium-Catalyzed Reduction of Tertiary Amides in Amino Acid Esters and Peptides.
- Author
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Das, Shoubhik, Li, Yuehui, Bornschein, Christoph, Pisiewicz, Sabine, Kiersch, Konstanze, Michalik, Dirk, Gallou, Fabrice, Junge, Kathrin, and Beller, Matthias
- Subjects
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RHODIUM , *AMIDES , *AMINO acids , *PEPTIDES , *CHEMICAL biology - Abstract
Efficient reduction of the tertiary amide bond in amino acid derivatives and peptides is described. Functional group selectivity has been achieved by applying a commercially available rhodium precursor and bis(diphenylphosphino)propane (dppp) ligand together with phenyl silane as a reductant. This methodology allows for specific reductive derivatization of biologically interesting peptides and offers straightforward access to a variety of novel peptide derivatives for chemical biology studies and potential pharmaceutical applications. The catalytic system tolerates a variety of functional groups including secondary amides, ester, nitrile, thiomethyl, and hydroxy groups. This convenient hydrosilylation reaction proceeds at ambient conditions and is operationally safe because no air-sensitive reagents or highly reactive metal hydrides are needed. [ABSTRACT FROM AUTHOR]
- Published
- 2015
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