氯仿 、
8-chloro-7-ethyl-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione 、
cis-1-{4-[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-ylmethoxy]phenyl}-piperazine 在
potassium carbonate 、
二甲基亚砜 作用下,
以
甲醇 为溶剂,
以5.6 parts (80%)的产率得到cis-8-[4-{4-[2-(2,4-dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolan-4-ylmethoxy]phenyl}-1-piperazinyl]-7-ethyl-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione