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 soluble source of …

Aldrich-232238; Pyridinium p-toluenesulfonate 0.98; CAS No.: 24057-28-1; Synonyms: p-Toluenesulfonic acid pyridine salt; PPTS; Pyridine p-toluenesulfonate; Linear Formula: …

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 with a pH ranging …

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

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 mmol) in dichloromethane (80 …

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 functional groups.

We manufacture and supply Pyridinium P-Toluene Sulfonate of 98% purity with specifications and requirements as per the user.

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 without …

Mar 25, 2026 · Pyridinium p-toluenesulfonate is a white crystalline solid that is soluble in polar organic solvents like methanol, ethanol, and DMSO. This compound is used in creating a subdomain of the …

Jan 13, 2026 · Pyridinium p-Toluenesulfate is used in the synthesis of a subdomain of the cytochrome P450 BM3 enzyme, for use in screening systems for drug candidates. As a co-catalyst with L-proline …