申请人:TAKEDA PHARMACEUTICAL COMPANY LIMITED
公开号:US20150266891A1
公开(公告)日:2015-09-24
The present invention provides a production method of a thienopyrimidine derivative or a salt thereof which has a gonadotropin releasing hormone (GnRH) antagonistic action with high quality in high yield. The present invention provides a method of producing a thienopyrimidine derivative, which comprises reacting 6-(4-aminophenyl)-1-(2,6-difluorobenzyl)-5-dimethyl aminomethyl-3-(6-methoxypyridazin-3-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione or salt thereof, 1,1′-carbonyldiimidazole or a salt thereof and methoxyamine or a salt thereof, and the like.
本发明提供一种高质量高产量的嘧啶并噻唑衍生物或其盐的生产方法,该衍生物具有促性腺激素释放激素(GnRH)拮抗作用。本发明提供一种生产嘧啶并噻唑衍生物的方法,包括将6-(4-氨基苯基)-1-(2,6-二氟苯基甲基)-5-二甲氨基甲基-3-(6-甲氧基吡啶并[2,3-d]嘧啶-2,4(1H,3H)-二酮或其盐,1,1'-碳酰亚胺或其盐和甲氧胺或其盐等反应。