Description Application Reagent for: Synthesis of Aurora A kinase inhibitors HPLC assay to determine D- and L- acid enantiomers in human plasma Amide bond formation reactions Catalyst for: Selective acylation Selecocyclization-oxidation deselenation sequence Other Notes Recent studies show that crystal as well as solution structure of this coupling agent is a guanidinium N-oxide and not an uronium compound; Advantageous coupling reagent for solid-phase peptide synthesis.