反应详情

A solution of (2RS,5SR)-5-(4-fluoro-phenyl)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid methyl ester (4.35 g, 11.5 mmol) in 1N potassium hydroxide solution (100 ml) was stirred at room temperature for 17 h. Aqueous work-up yielded (2RS,5SR)-5-(4-fluoro-phenyl)-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid (4.05 g, yield 97%) as a white solid, m.p. 166° C.