Bioisosteric replacements of the indole moiety for the development of a potent and selective PI3Kδ inhibitor: Design, synthesis and biological evaluation

Chengbin Yang, Chenyue Xu, Zhipeng Li, Yi Chen, Tianze Wu, Hui Hong, Mingzhu Lu, Jia Yu, Yongtai Yang, Xiaofeng Liu, Mingli Deng, Zhenxia Chen, Qingquan Li, Yun Ling, Yaming Zhou