2-amino-6-<5-(4-chlorophenyl)-1-hydroxy-2-hydroximino-3-methylpentan-3-ylamino>-5-nitropyrimidin-4(3H)-one 在
sodium hydroxide 、 sodium dithionite 作用下,
以
水 为溶剂,
以73%的产率得到2-amino-7-(4-chlorophenethyl)-7,8-dihydro-6-hydroxymethyl-7-methylpteridin-4(3H)-one