The present invention relates to novel pyrimido-diazepinone compounds, methods of modulating protein kinases, including MPS1 (TTK), ERK5 (BMK1, MAPK7), LRKK2, EphA2, polo kinase 1,2,3, or 4, Ack1, Ack2, Ab1, DCAMKL1, ABL1, Ab1 mutants, DCAMKL2, ARK5, BRK, MKNK2, FGFR4, TNK1, PLK1, ULK2, PLK4, PRKD1, PRKD2, PRKD3, ROS1, RPS6KA6, TAOK1, TAOK3, TNK2, Bcr-Ab1, GAK, cSrc, TPR-Met, Tie2, MET, FGFR3, Aurora, Ax1, Bmx, BTK, c-kit, CHK2, Flt3, MST2, p70S6K, PDGFR, PKB, PKC, Raf, ROCK-H, Rsk1, SGK, TrkA, TrkB and TrkC, and the use of such compounds in the treatment of various diseases, disorders or conditions.La présente invention porte sur de nouveaux composés pyrimido-diazépinone, sur des procédés de modulation de protéines kinases comprenant MPS1 (TTK), ERK5 (BMK1, MAPK7), LRKK2, EphA2, kinase Polo 1,2,3, ou 4, Ack1, Ack2, Ab1, DCAMKL1, ABL1, mutants Ab1, DCAMKL2, ARK5, BRK, MKNK2, FGFR4, TNK1, PLK1, ULK2, PLK4, PRKD1, PRKD2, PRKD3, ROS1, RPS6KA6, TAOK1, TAOK3, TNK2, Bcr-Ab1, GAK, cSrc, TPR-Met, Tie2, MET, FGFR3, Aurora, Ax1, Bmx, BTK, c-kit, CHK2, Flt3, MST2, p70S6K, PDGFR, PKB, PKC, Raf, ROCK-H, Rsk1, SGK, TrkA, TrkB et TrkC, et sur l'utilisation de tels composés pour le traitement de diverses maladies, de divers troubles ou de diverses affections.