Methods for preparing P2X7 inhibitors

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.