TBS protected N-((R)-1-(2-(2-hydroxyethoxy)ethylcarbamoyl)-2-phenylethyl)-5-(1-cyclopropyl-2,3,6,7-tetrahydro-2,6-dioxo-3-propyl-1H-purin-8-yl)pyridine-2-carboxamide 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
生成
N-((R)-1-(2-(2-hydroxyethoxy)ethylcarbamoyl)-2-phenylethyl)-5-(1-cyclopropyl-2,3,6,7-tetrahydro-2,6-dioxo-3-propyl-1H-purin-8-yl)pyridine-2-carboxamide