Interchangeable Head of Inox /// Technical Name: Metallic Head for Hip Arthroplasty /// ANVISA Registration Number: 104179400036 /// Risk Class: III (High Risk) /// Affected Lot Numbers: 07144N / In one embodiment of the present invention, the present invention relates to a process for the preparation of a compound of formula (I) in which the compound of formula (I): wherein R 1, R 2, R 2, R 2, R 2, R 2, R 2 and R 3 are as defined in claim 1, 03699M / 03701M / 7844K / 03636M / 03785M / 03786M / 03631M / 03633M / 03698M / 5309J / 03509L / 3J / 07853O / 3679J