((2R)-3-(2-(2-chloro-6-(7-dimethylamino-5-azaspiro[2.4]hept-5-yl)-5-fluoro-4-pyrimidinyl)hydrazino)-2-cyclopentylmethyl-3-oxopropyl)(tetrahydro-2H-pyran-2-yloxy)forrmamide 在
二氯甲烷 、
碳酸氢钠 、
magnesium sulfate 、
甲醇 、 EtOAc hexanes 作用下,
以
acetic acid monohydrate 为溶剂,
反应 72.0h,
以to provide [(2R)-3-(2-{2-chloro-6-[7-(dimethylamino)-5-azaspiro[2.4]hept-5-yl]-5-fluoro-4-pyrimidinyl}hydrazino)-2-(cyclopentylmethyl)-3-oxopropyl]hydroxyformamide (0.0469 g, 57%, mixture of diastereomers) as a white solid的产率得到((2R)-3-(2-(2-chloro-6-(7-dimethylamino-5-azaspiro[2.4]hept-5-yl)-5-fluoro-4-pyrimidinyl)hydrazino)-2-cyclopentylmethyl-3-oxopropyl)hydroxyformamide