NOVEL PROCESS

摘要

The present invention relates to an improved process for preparing acid addition salts of sunitinib, in particular sunitinib (2S)-2-hydroxybutanedioate (I). The invention also relates to compositions comprising sunitinib acid addition salts such as sunitinib (2S)-2- hydroxybutanedioate (I) and to the use of said compositions in the treatment of disease.