Pyridinium p-toluenesulfonate (PPTS) is a colourless solid salt of pyridine and p -toluenesulfonic acid. In organic synthesis, PPTS is used as a weakly acidic catalyst, providing an organic …

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Nov 22, 2019 · PPTS acts as a mild and selective acid catalyst, facilitating reactions like esterifications, acetalizations, and Beckmann rearrangements. In water, PPTS imparts acidity …

Pyridinium p-Toluenesulfonate (PPTS) - chemical structure, common uses, and safety.

The lipid analogues of pyridinium p-toluenesulfonate (PPTS) were examined for catalyzing the condensation of an equimolar mixture of carboxylic acids and alcohols under mild conditions …

Pyridinium p-toluenesulfonate (PPTS), dihydropyran, CH2CI2, 20°, 4 h, 94-100% yield. The lower acidity of PPTS makes this a very mild method that has excellent compatibility with most …

May 24, 2025 · Pyridinium p -toluenesulfonate (PPTS) (1.00 g, 4.05 mmol) and 3,4-dihydro-2 H -pyran (11.3 mL, 121.5 mmol) are added to a stirred solution of (R)- (+)-glycidol (6.00 g, 80.99 …

Jan 13, 2026 · Pyridinium p-Toluenesulfonate (CAS 24057-28-1) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, …

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Pyridinium p-Toluenesulfonate (PPTS) is a salt of pyridine and p-toluenesulfonic acid. Pyridinium p-Toluenesulfonate is a colourless solid.