6-benzyl 7-methyl 5-ethyl-5-methyl-2-((tetrahydro-2H-pyran-4-yl)amino)-5H-pyrrolo[3,4-d]pyrimidine-6,7(7H)-dicarboxylate 在
乙醚 、
二氯甲烷 、
magnesium sulfate 、
5-ethyl-5-methyl-N-(tetrahydro-2H-pyran-4-yl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine 作用下,
以
盐酸 为溶剂,
反应 3.0h,
以to give 266 mg the desired product 5-ethyl-5-methyl-N-(tetrahydro-2H-pyran-4-yl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine 29 as a yellowish-brown solid的产率得到5-ethyl-5-methyl-N-(tetrahydro-2H-pyran-4-yl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidin-2-amine