abstract |
The present invention provides benzoimidazol-2-yl pyrimidine derivatives useful as histamine H 4 receptor modulators, and [5- (4,6-dimethyl-1H-benzoimidazol-2-yl) -4-methyl-pyridine Midin-2-yl]-[3- (1-methyl-piperidin-4-yl) -propyl] -amine relates to a process for the preparation of crystalline hemi-tartrate. |