反应详情

5-Chlorosulphonyl-2-methoxybenzoic acid (4.9 g) was added to a solution of pyrrolidine (10 g) in water (150 ml). The solution was stirred for 6 hours, filtered and acidified with dilute hydrochloric acid to yield the title compound as colourless microcrystals (5.27 g; 84%).

1. filtrationfiltered