7-[(2,4-Dichlorophenyl)methyl]-8-{[2-(3,4-dimethoxyphenyl)ethyl]amino}-1,3-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione 在
水 、
氢溴酸 作用下,
以24 %的产率得到7-(2,4-dichlorobenzyl)-8-((3,4-dihydroxyphenylethyl)amino)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione