We provide (S) - N - (2 - (4-chlorophenyl) - (2-morpholinoethyl) - 2 (IL - 2 - pyrimidin-2-yl) - 4 - (trifluoromethyl) thiazole-5-carboxamide as P2X7 Inhibitor,Its use as a Medicine and enantiomeric Synthesis Protocol suitable for the preparation of (S) - N - (2 - (4-chlorophenyl) - (2-morpholinoethyl) - 2 (IL - 2 - pyrimidin-2-yl) - 4 - (trifluoromethyl) thiazole-5-carboxamide.Se proporciona (S)-N-(2-(4-clorofenil)-2-morfolinoetil)-2-(pirimidin-2-il)-4-(trifluorometil)tiazol-5-carboxamida como inhibidor de P2X7, su uso como medicamento y un protocolo de síntesis enantiomérica conveniente para la preparación de (S)-N-(2-(4-clorofenil)-2-morfolinoetil)-2-(pirimidin-2-il)-4-(trifluorometil)tiazol-5-carboxamida.