Generally, the present invention relates to substituted benzofuranyls and substituted benzoxazoles based compound, and relate more specifically to the compound or its pharmaceutically acceptable salt that are indicated by structural formula (A), and wherein these variables are as defined herein and to describe. The invention also includes the synthesis of compound or its pharmaceutically acceptable salt or composition with structural formula (A) and the purposes in such as treating cancer (for example, lymphoma mantle cell) and other diseases and disorder.總體上,本發明涉及取代的苯并呋喃基和取代的苯并噁唑基化合物,並且更具體地涉及由結構式(A)表示的化合物或其藥學上可接受的鹽,其中這些變量是如在此定義和描述的。本發明還包括具有結構式(A)的化合物或其藥學上可接受的鹽或組合物的合成和在例如治療癌症(例如,套細胞淋巴瘤)和其他疾病及紊亂中的用途。