Studies directed towards the synthesis of Imanitib Mesylate ((Gleevec), 4-(4-methyl-piperazin-1-ylmethyl)-N-[4-methyl-3-(4-pyridin-3-yl-pyrimidin-2-ylamino)-phenyl]benzamide methanesulfonate) analogs İmanitib mesilat ((Gleevec), 4-(4-metil-piperazin-1-ilmetil)-N-[4-metil-3-(4-piridin-3-il-pirimidin-2-ilamino)-fenil]benzamid metansülfonat) analoglarının sentezine yönelik çalışmalar