((2R)-2-cyclopentylmethyl-3-(2-(6-(4-ethyl-1-piperazinyl)-5-fluoro-2-methoxy-4-pyrimidinyl)hydrazino)-3-oxopropyl)(phenylmethoxy)forrmamide 、 以
甲醇 为溶剂,
以to provide ((2R)-2-(cyclopentylmethyl)-3-{2-[6-(4-ethyl-1-piperazinyl)-5-fluoro-2-(methyloxy)-4-pyrimidinyl]hydrazino}-3-oxopropyl)hydroxyformamide as a red solid (0.119 g, 98%)的产率得到((2R)-2-cyclopentylmethyl-3-(2-(6-(4-ethyl-1-piperazinyl)-5-fluoro-2-methoxy-4-pyrimidinyl)hydrazino)-3-oxopropyl)hydroxyforrmamide