(S)-2'-amino-3-(6,6-dimethyl-3,6-dihydro-2H-pyran-4-yl)-1-fluoro-7-(2-fluoropyridin-3-yl)-1'-methyl-1'H-spiro[chromeno[2,3-c]pyridine-5,4'-pyrimidin]-6'(5'H)-one 、
(S)-2'-amino-3-(2,2-dimethyl-3,6-dihydro-2H-pyran-4-yl)-1-fluoro-7-(2-fluoropyridin-3-yl)-1'-methyl-1'H-spiro[chromeno[2,3-c]pyridine-5,4'-pyrimidin]-6'(5'H)-one 、
三氟乙酸 在
palladium 10% on activated carbon
氢气 作用下,
以
乙醇 、
水 、
乙腈 为溶剂,
反应 120.0h,
生成 (4'S)-2'-amino-3-(2,2-dimethyltetrahydro-2H-pyran-4-yl)-1-fluoro-7-(2-fluoropyridin-3-yl)-1'-methyl-1'H-spiro[chromeno[2,3-c]pyridine-5,4'-pyrimidin]-6'(5'H)-one 2,2,2-trifluoroacetate