4,5-dihydro-2-methyl-4-[4-(trifluoromethanesulfonamido)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 790 mg of the desired compound (88.8%, colorless solid), m.p.181.0-182.0° C.的产率得到4,5-dihydro-2-methyl-4-[4-(trifluoromethanesulfonamido)butan-1-yl]-3H-1,4,8b-triazaacenaphthylene-3,5-dione-hydrochloride