(S)-N-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-yl)-7-methyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine-1-carboxamide 、
碘甲烷 在
乙酸乙酯 、
(S)-1-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-ylcarbamoyl)-7,7-dimethyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazin-7-ium iodide 作用下,
以
丙酮 为溶剂,
反应 18.0h,
以to provide the desired product, Compound 311 (0.031 g, 24%) as a yellow solid的产率得到(S)-1-(3,3-dimethyl-1-(methylamino)-1-oxobutan-2-ylcarbamoyl)-7,7-dimethyl-3-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazin-7-ium iodide