A process for preparing 9-cyclohexyl-2-alkoxy-9H-adenine derivatives such as 9-cyclohexyl-2-n-propoxy-9H-adenine from 7-amino-5-(methylthio)[1,2,5]oxadiazolo[3,4-d]pyrimidine and 7-amino-5-(methylthio)[1,2,5]thiadiazolo[3,4-d]pyrimidine is described. Other aspects of the invention are directed to novel intermediates such as the compound 4-amino-6-(cyclohexylamino)-5-(formylamino)-2-(methylthio)pyrimidine.
本发明涉及一种制备9-环己基-2-烷氧基-9H-
腺嘌呤衍
生物,如9-环己基-2-n-丙氧基-9H-
腺嘌呤的方法,该方法从7-
氨基-5-(甲
硫基)[1,2,5]
噁唑并[3,4-d]
嘧啶和7-
氨基-5-(甲
硫基)[1,2,5]
噻唑并[3,4-d]
嘧啶出发。本发明的其他方面涉及新型中间体,如化合物4-
氨基-6-(环己基
氨基)-5-(甲酰
氨基)-2-(甲
硫基)
嘧啶。