A Process For The Preparation Of N (4 {1[(2,6 Difluorophenyl) Methyl] 5 [(Dimethylamino)methyl] 3 (6 Methoxypyridazin 3 Yl) 2,4 Dioxo 1,2,3,4 Tetrahydrothieno[2,3 D] Pyrimidin 6 Yl} Phenyl) N’ Methoxyurea

Abstract: "A PROCESS FOR THE PREPARATION OF N-(4-{1[(2,6- DIFLUOROPHENYL) METHYL]-5-[(DIMETHYLAMINO)METHYL]-3- (6-METHOXYPYRIDAZIN-3-YL)-2,4-DIOXO-1,2,3,4 TETRAHYDROTHIENO[2,3-D] PYRIMIDIN-6-YL} PHENYL)-N’- METHOXYUREA" The present invention relates to a process for the preparation of N-(4-{1[(2,6- difluorophenyl) methyl]-5-[(dimethylamino)methyl]-3-(6-methoxypyridazin-3- yl)-2,4-dioxo-1,2,3,4 tetrahydro thieno [2,3-d] pyrimidin-6-yl} phenyl)-N’- methoxy urea represented by the following structural formula (1).

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