Reaction of 2-amino-4-butoxypteridine with a Grignard reagent or an alkyllithium followed by iodine oxidation gives the 7-substituted pteridine, regioselectively.
Chemoselective Oxidation of 6-Hydroxyalkylpteridine and Its Application to Synthesis of 6-Acyl-7,8-dihydropteridine
作者:Shizuaki Murata、Sudhir S. Landge、Kazunari Kudoh、Yuri Yamada