Benzenesulfonic acid, 4-methyl-, compd. with pyridine (1:1) → HCID 67953455, compound

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Reaction Steps

A solution of (2S,4R)-4-tert-Butoxy-1-(4-chloro-phenyl)-pyrrolidine-2-carboxylic acid {3-[1,1-dimethyl-2-(tetrahydro-pyran-2-yloxy)-ethyl]-isoxazol-5-yl}-amide (123 mg, 0.237 mmol) and pyridinium p-toluenesulfonate (20 mg, 0.047 mmol) in ethanol (2 mL) is heated at 55° C. for 42 hours. After this time, the reaction mixture is concentrated in vacuo. Purification by flash chromatography on silica gel using ethyl acetate/hexanes provides the title compound, m/z 436 [M+H+].

Provenance & Evidence