The present invention relates to the dihydrobenzo oxazines of formula (I) and dihydro pyrido oxazines compound and/or its officinal salts and/or solvate, and wherein Y, V, W, U, Q, R1, R5, R7 and R30 are defined as in the description. Such compound fits the obstacle or disease of activity mediation of the what treatment by PI3K enzymes.本發明涉及式(I)的二氫苯并噁嗪和二氫吡啶并噁嗪化合物和/或其可藥用鹽和/或溶劑合物,其中Y、V、W、U、Q、R1、R5、R7和R30如說明書中所定義。此類化合物適於治療由PI3K酶的活性介導的障礙或疾病。