Product Describtion: 1、A hyper acid-labile linker for the Fmoc SPPS of protected peptide amides via mild 1% TFA cleavage [1, 2]. The resin can be readily reductively alkylated to provide a support suited to the synthesis of secondary carboxamides。 2、This resin has also been employed to produce protected peptide fragments in which the C-terminal carboxylic acid group is blocked as a hydroxymethylphenoxy-β-alaninamide ester