Abstract: The present invention covers phosphorus derivatives of general formula (I), in which R1, R2, R3, R4, R5, R6, X1, X2, X3, X4 and Y are as defined herein, methods of preparing said compounds, intermediate compounds useful for preparing said compounds, pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of diseases, in particular of hyperproliferative disorders, especially diseases associated with SOS1, as a sole agent or in combination with other active ingredients.

Abstract: The present invention covers Pyrido[2,3-d]pyrimidin-4-amines compounds of general formula (I): in which R1, R2, R3, A, x and y are as defined herein, methods of preparing said compounds, intermediate compounds useful for preparing said compounds, pharmaceutical compositions and combinations comprising said compounds and the use of said compounds for manufacturing pharmaceutical compositions for the treatment or prophylaxis of diseases, in particular of hyperproliferative disorders, as a sole agent or in combination with other active ingredients.