8-[2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-ethyl]-4-piperidin-1-yl-5,6,7,8-tetrahydro-pteridine-2-carbonitrile 、
一水合肼 在
2,2,2-三氟乙酸盐 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以to afford 8-(2-Amino-ethyl)-4-piperidin-1-yl-5,6,7,8-tetrahydro-pteridine-2-carbonitrile (4 mgs) as the trifluoroacetate salt的产率得到8-(2-Amino-ethyl)-4-piperidin-1-yl-5,6,7,8-tetrahydro-pteridine-2-carbonitrile