4,5-dihydro-4-[4-[(2,2,2-trifluoro)ethanesulfonamido]butan-1-yl]-3H-1,4,8b-triazaacenaphthylene-3,5-dione 、
盐酸 在
丙酮 作用下,
以
甲醇 为溶剂,
以to give 435 mg of the desired compound (90.6%, colorless solid), m.p.154.0-155.0° C.的产率得到4,5-dihydro-4-[4-[(2,2,2-trifluoro)-ethanesulfonamido]butan-1-yl]-3H-1,4,8b-triazaacenaphthylene-3,5-dione hydrochloride