Other Notes Reactive peptide coupling reagent suitable for α,α-dialkyl amino acids5; Synthesis of depsipeptides6 Packaging 1 g in poly tube 5, 25 g in poly bottle Application Catalyst for: Synthesis of primary amides1 Direct dehydrative phosphonium cross coupling2 Direct arylation3 Pyrrolidide formation by phosphonium salt coupling reagents4 Legal Information PyBroP is a registered trademark of Merck KGaA