tert-butyl 3-methyl-2-oxo-4-{[(2-oxo-2-{[3-(trifluoromethyl)phenyl]amino}ethyl)amino]carbonyl}-1-oxa-8-azaspiro[4.5]dec-3-ene-8-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 2.0h,
生成 3-methyl-2-oxo-N-(2-oxo-2-{[3-(trifluoromethyl)phenyl]amino}ethyl)-1-oxa-8-azaspiro[4.5]dec-3-ene-4-carboxamide hydrochloride