(3R)-3-amino-1-methyl-3-[3-[4-methyl-6-[4-(trifluoromethyl)phenyl]pyrimidin-2-yl]prop-2-ynyl]pyrrolidin-2-one 在
silver trifluoromethanesulfonate 氨 、
甲醇 、
乙酸乙酯 作用下,
以
乙腈 为溶剂,
反应 108.0h,
以affording (5R)-7-methyl-2-[4-methyl-6-[4-(trifluoromethyl)phenyl]pyrimidin-2-yl]-1,7-diazaspiro[4.4]non-1-en-6-one (D15) (359 mg, 0.924 mmol) as a light brown solid with a few % of impurities present的产率得到(5R)-7-Methyl-2-[4-methyl-6-[4-(trifluoromethyl)phenyl]pyrimidin-2-yl]-1,7-diazaspiro[4.4]non-1-en-6-one