申请人:Dipharma Francis S.r.l.
公开号:EP2468749A1
公开(公告)日:2012-06-27
The present invention relates to processes for the preparation of 8-(3R)-3-aminopiperidinyl)-7-butyn-2-yl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydropurine-2,6-dione and novel intermediates useful in its synthesis.
本发明涉及用于制备8-(3R)-3-氨基哌啶基)-7-丁炔-2-基-3-甲基-1-(4-甲基喹唑啉-2-基甲基)-3,7-二氢嘧啶-2,6-二酮的过程,以及在其合成中有用的新型中间体。