阅读说明：本技术 三环类化合物制备方法及其在医药领域的应用 (Tricyclic compound preparation method and application thereof in medicine field ) 是由 许忻 张瑱 覃华 武琦梅 王影 臧成旭 张雨云 秦成刚 周晓波 郭凤英 王艺瑾 于 2020-04-02 设计创作，主要内容包括：提供了一种三环类小分子化合物、其制备方法及含有该化合物的药物组合物,及其在医药方面的应用。所述化合物作为溴结构域蛋白4(BRD4)抑制剂,可用于预防和/或治疗与BRD4相关的疾病,如恶性肿瘤等。(A tricyclic small molecular compound, its preparing process, the medicine composition containing it, and its application in medicine are disclosed. The compounds are used as bromodomain protein 4(BRD4) inhibitors, and can be used for preventing and/or treating BRD4 related diseases, such as malignant tumor and the like.)