Method for preparing 5-'4-(2-hydroxy-propyl)-3,5-dioxo-4,5-dihydro-3H'1,2,4!triazin-2-yl!-benamide derivatives by deprotecting the hydroxyl-protected precursers

摘要

The present invention relates to the methods for preparing compounds of the formula I: or the pharmaceutically acceptable salts thereof, wherein R¹, R², R⁴, R¹⁰, and R¹¹ have any of the values defined in the specification. The compounds of the present invention are useful in the treatment of diseases, including inflammatory diseases such as rheumatoid arthritis.