反应详情

7-(Chlorosulfonyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (1 g), diisopropylethylamine (3 ml) and 3-methylazetidin-3-ol hydrochloride (0.8 g) in tetrahydrofuran (8 ml) were heated at 55° C. for 3 days. The mixture was acidified with hydrochloric acid and then filtered to yield 7-[(3-hydroxy-3-methylazetidin-1-yl)sulfonyl]-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid as a pale pink solid.

1. filtrationfiltered