6'-benzyl 7'-methyl 2'-((tetrahydro-2H-pyran-4-yl)amino)spiro[cyclobutane-1,5'-pyrrolo[3,4-d]pyrimidine]-6',7'(7'H)-dicarboxylate 在
乙醚 、
二氯甲烷 、
magnesium sulfate 、
N-(tetrahydro-2H-pyran-4-yl)-6',7'-dihydrospiro[cyclobutane-1,5'-pyrrolo[3,4-d]pyrimidin]-2'-amine 作用下,
以
盐酸 为溶剂,
反应 3.0h,
以to give 412 mg of the desired product N-(tetrahydro-2H-pyran-4-yl)-6′,7′-dihydrospiro[cyclobutane-1,5′-pyrrolo[3,4-d]pyrimidin]-2′-amine 57 as a yellowish-brown solid的产率得到N-(tetrahydro-2H-pyran-4-yl)-6',7'-dihydrospiro[cyclobutane-1,5'-pyrrolo[3,4-d]pyrimidin]-2'-amine