The present invention relates to a novel process for the manufacture of certain substituted aminopyrimidines having Formula (I) or a tautomer or salt thereof, wherein R1 is selected from hydrogen, halogen, C1-4alkoxy, C1-4alklthio, C1-4alkyl, C3-5cycloalkyl, for example R1 is halogen such as chloro; R2 is C1-4alkyl, for example methyl, ethyl, i-propyl, n-propyl or butyl (any isomer), such as methyl; and R3 is selected from hydrogen, C1-4alkoxy, C1-4alkylthio, C1-4alkyl, C3-5cycloalkyl, for example C1-4alkyl such as methyl, ethyl, i-propyl, n-propyl or butyl (any isomer), for example methyl; crystalline forms thereof as well as chemical intermediates suitable for use in performing the process.
本发明涉及一种新型方法,用于制造具有公式(I)或其互变异构体或盐的某些取代
氨基嘧啶,其中R1选择自氢、卤素、C1-4烷氧基、C1-4烷
硫基、C1-4烷基、C3-5环烷基,例如R1是卤素,如
氯;R2是C1-4烷基,例如甲基、乙基、异丙基、正丙基或丁基(任何异构体),例如甲基;R3选择自氢、C1-4烷氧基、C1-4烷
硫基、C1-4烷基、C3-5环烷基,例如C1-4烷基,如甲基、乙基、异丙基、正丙基或丁基(任何异构体),例如甲基;以及适用于执行该过程的
化学中间体和其晶体形式。