tert-butyl (2S)-2-methyl-8-(2,2,2-trifluoro-1-methylethyl)-2,3-dihydrothieno[2,3-f][1,4]oxazepine-4(5H)-carboxylate 在
乙醚 作用下,
以
ethyl acetate hydrochloride 为溶剂,
反应 0.25h,
以to give the title compound (365 mg, 93%) as colorless crystals的产率得到(2S)-2-methyl-8-(2,2,2-trifluoro-1-methylethyl)-2,3,4,5-tetrahydrothieno[2,3-f][1,4]oxazepine