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24057-28-1 Pyridinium p-Toluenesulfonate (PPTS)

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CAS： 24057-28-1 MDL Number： MFCD00013108 MF： C12H13NO3S MW： 251.30 Purity： ≥98% Product Description： Relevant Medicine Name： - COA SDS

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Product InformationSafety InformationReferences

Flash point	221.6℃
Boiling point
Density
Storage	Inert atmosphere/Light & Moisture sensitive

Mild catalyst for the formation of THP derivatives of alcohols superior to p-toluenesulfonic acid, where acid-sensitive functionality is present. Similarly, the reagent has been used for deprotection of THP ethers in ethanol: J. Org. Chem., 42. 3772 (1977). This application has been extended to other acetalization or trans-acetalization reactions, where more acidic conditions are undesirable: Synthesis, 724 (1979). For use in cleavage of TBDMS protecting groups, see: J. Chem. Soc. Perkin 1, 169 (1993).