(2S,4R)-1-[5-Chloro-3-(2,4-dimethoxypyrimidin-5-y)-2-oxo-2,3-dihydro-1H-indol-3-yl]-4-hydroxypyrrolidine-2-carboxylic acid dimethylamide 、
2,4-二甲氧基苯磺酰氯 在
sodium hydride 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.5h,
生成 (+)-(2S,4R)-1-[5-chloro-1-(2,4-dimethoxyphenylsulfonyl)-3-(2,4-dimethoxypyrimidin-5-yl)-2-oxo-2,3-dihydro-1H-indol-3-yl]-4-hydroxypyrrolidine-2-carboxylic acid dimethylamide 、 (+)-(2S,4R)-1-[5-chloro-1-(2,4-dimethoxyphenylsulfonyl)-3-(2,4-dimethoxypyrimidin-5-yl)-2-oxo-2,3-dihydro-1H-indol-3-yl]-4-hydroxypyrrolidine-2-carboxylic acid dimethylamide