(5R)-4-chloro-5-methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-7-ol 、
tert-butyl 4-(N-(4-chlorobenzyl)-N-(2-(diethylamino)ethyl)carbamoyl)piperazine-1-carboxylate 在
三氟乙酸 、
N,N-二异丙基乙胺 作用下,
以
DCM 、
正丁醇 为溶剂,
反应 19.0h,
以21%的产率得到N-(4-chlorobenzyl)-N-(2-(diethylamino)ethyl)-4-((5R)-6,7-dihydro-7-hydroxy-5-methyl-5H-cyclopenta[d]pyrimidin-4-yl)piperazine-1-carboxamide