7-(3-bromobenzyl)-1,3-dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine-8-carbaldehyde 、
正丁基氯化镁 在
氯化铵 、
乙酸乙酯 、 crude product 作用下,
反应 2.0h,
以to give 7-(3-bromobenzyl)-8-(1-hydroxypentyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione (11.2 mg, 13.7%) as white solid的产率得到7-(3-bromobenzyl)-8-(1-hydroxypentyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione