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-dimethylaminomethyl-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.
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-dimethylaminomethyl-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.
CRYSTALLINE FORM OF 1-(4-1-(2,6-DIFLUOROBENZYL)-5-DIMETHYLAMINOMETHYL-3-(6-METHOXYPYRIDAZIN-3-YL)-2,4-DIOXO-1,2,3,4-TETRAHYDROTHIENO(2,3-D)-PYRIMIDIN-6YL)PHENYL)-3-METHOXYUREA
申请人:Takeda Pharmaceutical Company Limited
公开号:EP3415517B1
公开(公告)日:2022-04-20
COMPOSITIONS OF THIENOPYRIMIDINE DERIVATIVES
申请人:Takeda Pharmaceutical Company Limited
公开号:US20220204525A1
公开(公告)日:2022-06-30
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 thienopyrirnidine derivative, which comprises reacting 6-(4-aminophenyl)-1-(2,6-difluorobenzyl)-5-dimethylaminomethyl-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.