Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1) → HCID 54249396, compound

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Reaction Conditions

Reaction Steps

Compound 9 (0.47 g, 0.0145 mol) was mixed with pyridinium-4-toluene-sulfonate (PPTs) (0.037 g, 0.15 mmol) in ethanol (20 mL). The resulting mixture was stirred at 50° C. for 24 h. The solvent was evaporated in vacuo. Purification of the crude product on a silica gel column (Eluent: ethyl acetate/n-heptane (1:1)) gave the title compound 0.226 g (65%) as a solid. M.p. 80-81° C.

Provenance & Evidence