N-(7-(4-fluorobenzyl)-9-hydroxy-8-oxo-7,8-di hydro-6H-pyrrolo[3,4-g]quinolin-5-yl)-N-methylmethanesulfonamide 在
potassium tert-butylate 作用下,
以
四氢呋喃 为溶剂,
以82%的产率得到potassium salt of N-(7-(4-fluorobenzyl)-9-hydroxy-8-oxo-7,8-dihydro-6H-pyrrolo[3,4-g]quinolin-5-yl)-N-methylmethanesulfonamide