申请人:WARNER-LAMBERT COMPANY
公开号:EP0253396A2
公开(公告)日:1988-01-20
An improved process for the preparation of 6-substituted-5-alkyl-2,4-quinazolinediamines, useful in the production of trimetrexate and similar antifolate agents, together with several novel intermediates are disclosed.
本发明公开了一种改进的 6-取代-5-烷基-2,4-喹唑啉二胺制备工艺以及几种新型中间体,该工艺可用于生产曲美曲塞特和类似的抗叶酸制剂。