2-((Z)-((R)-2-amino-7-(4-fluoro-2-(6-methoxypyridin-2-yl)phenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-ylidene)aminooxy)-4-hydroxy-N,N-dimethylbutanamide 、
sodium;hydride 、
硫酸二甲酯 在
氮气 、
甲醇 、
2-((Z)-((R)-2-amino-7-(4-fluoro-2-(6-methoxypyridin-2-yl)phenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-ylidene)aminooxy)-4-methoxy-N,N-dimethylbutanamide 作用下,
以
四氢呋喃 为溶剂,
反应 3.25h,
以to afford the title compound 2-((Z)—((R)-2-amino-7-(4-fluoro-2-(6-methoxypyridin-2-yl)phenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-ylidene)aminooxy)-4-methoxy-N,N-dimethylbutanamide (95, 3.6 mg, 25%) as an off-white solid的产率得到2-((Z)-((R)-2-amino-7-(4-fluoro-2-(6-methoxypyridin-2-yl)phenyl)-4-methyl-7,8-dihydropyrido[4,3-d]pyrimidin-5(6H)-ylidene)aminooxy)-4-methoxy-N,N-dimethylbutanamide