(S)-2-(2-chloro-6-phenyl-pyrimidin-4-ylamino)-2-phenyl-ethanol 、
methyl 1-(4-aminophenyl)cyclobutane-1-carboxylate 在
SiO2 、
乙酸乙酯 、
正己烷 作用下,
以
正丁醇 为溶剂,
以gave the title compound as a pale yellow solid (324 mg, 75% yield)的产率得到1-{4-[4-((S)-2-hydroxy-1-phenyl-ethylamino)-6-phenyl-pyrimidin-2-ylamino]-phenyl}-cyclobutanecarboxylic acid methyl ester