Described here is the inhibitor of Bruton Tyrosine Kinase (BTK) 1 - ((R) - 3 - (4 - amino - 2 - (4-phenoxyphenyl) - 1H pyrazolo [3,4-d] pyrimidine 1 - il) piperidin-1-yl) prop - 2 - in - 1 - ona including the solvates, Crystalline forms, and its Salt acceptable in the pharmaceutical Field.Se describe aquí al inhibidor de tirosina quinasa (Btk) de Bruton 1-((R)-3-(4-amino-3-(4-fenoxifenil)-1H-pirazolo[3,4-d] pirimidin-1-il)piperidin-1-il)prop-2-en-1-ona, incluyendo las formas cristalinas, solvatos y sus sales aceptables en el campo farmacéutico.