2,4-二氨基-6-氯嘧啶 、
[(1S,2R,3R)-3-amino-2-(cyclohexanecarbonyloxymethyl)cyclobutyl]methyl cyclohexanecarboxylate 在
2,4-二氨基-6-氯嘧啶 作用下,
以71的产率得到[(1S,2R,3R)-3-[(2-amino-6-chloropyrimidin-4-yl)amino]-2-(cyclohexanecarbonyloxymethyl)cyclobutyl]methyl cyclohexanecarboxylate