Process for the preparation of (r)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1h-purine-2,6-dione
申请人:Boehringer Ingelheim International GmbH
公开号:US10253026B2
公开(公告)日:2019-04-09
This invention relates to a method for preparation of a xanthine-based compound of formula (I):
as well as to intermediates useful in such preparation.