Abstract: 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.

Abstract: 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.

Abstract: The present invention provides processes and synthetic intermediates for the synthesis of 2-[(2S)-1-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4 {3H)-one or a salt, hydrate, or tautomer thereof, or any combination thereof, which are Cdc7 kinase inhibitors, and are useful for the treatment of disorders of cell proliferation, particularly cancer, and other disorders associated with Cdc7 activity.

Abstract: 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.

Abstract: The present invention provides processes and synthetic intermediates for the synthesis of 2-[(2S)-1-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4 (3H)-one or a salt, hydrate, or tautomer thereof, or any combination thereof, which are Cdc7 kinase inhibitors, and are useful for the treatment of disorders of cell proliferation, particularly cancer, and other disorders associated with Cdc7 activity.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention provides a process for producing an intermediate for thienopyrimidine derivatives having the GnRH antagonistic activity at an industrial large scale. The process for production of the present invention relates to a process for producing a compound represented by the formula (III): wherein respective symbols have the same meanings as those described below, or a salt thereof, which comprises subjecting a compound represented by the formula (I): wherein R1 denotes hydrogen, nitro, halogen, phthalimido, mono- or di-(alkylcarbonyl)amino or alkoxy, or a salt thereof, to an acid halogenating reaction, which is successively reacted with malonic acid ester and magnesium alkoxide, treated with an acid, and reacted with sulfur and a compound represented by the formula: NCCH2COOR2 [wherein R2 denotes alkyl or aryl], or a salt thereof, in the presence of primary amine.

Abstract: The present invention provides a process for producing an intermediate for thienopyrimidine derivatives having the GnRH antagonistic activity at an industrial large scale.

Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.

Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.

Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.

Abstract: The present invention provides an intermediate for producing a thienopyridine derivative useful as a GnRH antagonist as well as an efficient and safe method for producing the same in an industrial scale at a high yield.