PMID- 25893045 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20150420 LR - 20200929 IS - 1948-5875 (Print) IS - 1948-5875 (Electronic) IS - 1948-5875 (Linking) VI - 6 IP - 4 DP - 2015 Apr 9 TI - Discovery of a Novel Series of Thienopyrimidine as Highly Potent and Selective PI3K Inhibitors. PG - 434-8 LID - 10.1021/ml5005014 [doi] AB - Inhibition of the phosphoinositide 3-kinase (PI3K)/AKT/mammalian target of rapamycin (mTOR) signaling pathway provides a promising new approach for cancer therapy. Through a rational design, a novel series of thienopyrimidine was discovered as highly potent and selective PI3K inhibitors. These thienopyrimidine derivatives were demonstrated to bear nanomolar PI3Kalpha inhibitory potency with over 100-fold selectivity against mTOR kinase. The lead compounds 6g and 6k showed good developability profiles in cell-based proliferation and ADME assays. In this communication, their design, synthesis, structure-activity relationship, selectivity, and some developability properties are described. FAU - Han, Fangbin AU - Han F AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Lin, Songwen AU - Lin S AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Liu, Peng AU - Liu P AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Liu, Xiujie AU - Liu X AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Tao, Jing AU - Tao J AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Deng, Xiaobing AU - Deng X AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Yi, Chongqin AU - Yi C AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. FAU - Xu, Heng AU - Xu H AD - PKUCare Pharmaceutical R&D Center, A106-109, Biotech Innovation Works , No. 29 Life Science Park Road, Changping District, Beijing 102206, P. R. China. LA - eng PT - Journal Article DEP - 20150311 PL - United States TA - ACS Med Chem Lett JT - ACS medicinal chemistry letters JID - 101521073 PMC - PMC4394348 OTO - NOTNLM OT - dual inhibitors OT - mammalian target of rapamycin OT - phosphoinositide 3-kinase OT - selective PI3K inhibitors OT - thienopyrimidines COIS- The authors declare no competing financial interest. EDAT- 2015/04/22 06:00 MHDA- 2015/04/22 06:01 PMCR- 2016/04/09 CRDT- 2015/04/21 06:00 PHST- 2014/12/05 00:00 [received] PHST- 2015/03/11 00:00 [accepted] PHST- 2015/04/21 06:00 [entrez] PHST- 2015/04/22 06:00 [pubmed] PHST- 2015/04/22 06:01 [medline] PHST- 2016/04/09 00:00 [pmc-release] AID - 10.1021/ml5005014 [doi] PST - epublish SO - ACS Med Chem Lett. 2015 Mar 11;6(4):434-8. doi: 10.1021/ml5005014. eCollection 2015 Apr 9.