Solvent-free Oxidation of Alcohols and Mild Catalytic Deprotection of Silyl Ethers with Poly(N,N’-dibromo-N-ethyl-benzene-1,3-disulphonamide) and N,N,N’,N’-tetrabromobenzene-1,3-disulphonamide
Poly(N,N’-dibromo-N-ethyl-benzene-1,3-disulphonamide) (PBBS) and N,N,N’,N’-tetrabromobenzene- 1,3-disulphonamide (TBBDA) can be used for solvent-free oxidation of primary and secondary alcohols to the corresponding carbonyl compounds without over-oxidation, and efficient catalytic deprotection of various silyl ethers to hydroxyl groups in aprotic organic solvents under ambient conditions.
KEYWORDS: Solvent-free oxidation, alcohols, catalytic deprotection, silyl ethers, PBBS, TBBDA.
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