Synthesis of pyrazolo 3,4-d pyrimidine analogues of the potent agent N-4-2-2-amino-4 3H-oxo-7H-pyrrolo 2,3-d pyrimidin-5-yl ethylbenzoyl-L-glutamic acid (LY231514)

Article abstract of DOI:10.1016/S0040-4020(01)80479-8

Several pyrazolo[3,4-d]pyrimidine analogues of the potent antitumor agent N-{4-[2-(2-amino-4(3 H)-oxo-7H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl}-L-glutamic acid (LY231514, 5) have been prepared. A principal synthetic step proved to be a palladium-cata