2-(fluoromethyl)morpholine hydrochloride 、 diacetyl<<7,8-difluoro-9,1-<(methylimino)methano>-5-oxo-5H-thiazolo<3,2-a>quinolin-4-yl>carbonyl>borane 在
盐酸 、
三乙胺 作用下,
生成 6-Fluoro-5-(2-fluoromethyl-morpholin-4-yl)-4-methyl-8-oxo-3,4-dihydro-8H-1-thia-4,9b-diaza-cyclopenta[cd]phenalene-9-carboxylic acid