1-allyl-3,9-dimethyl-3,9-dihydro-1H-purine-2,6-dione 、
O-ethyl S-2-(2-hydroxy-4-methylphenyl)-2-oxoethyl carbonodithioate 在
过氧化双月桂酰 作用下,
以
乙酸乙酯 为溶剂,
以67%的产率得到S-1-(3,9-dimethyl-2,6-dioxo-2,3-dihydro-6H-purin-1(9H)-yl)-5-(2-hydroxy-4-methylphenyl)-5-oxopentan-2-yl O-ethyl carbonodithioate