Other Notes Reagent for dehydrogenation and oxidation reactions, review7; New reagent for the direct conversions of amides to amines (Hofmann-type rearrangement) and key substance for carboxyterminal peptide sequencing8; Smooth dethioacetalization to the carbonyls9 Application Reactant or reagent for: • Pummerer-like reactions1,2 • Chemoselective deprotection of dimethoxybenzyl ethers3 • Mediating oxidative cycloisomerization4,5 • Tosyloxylation of anilides6