2. Academic Validation
  3. Design, synthesis, and biological evaluation of 4-((6,7-dimethoxyquinoline-4-yl)oxy)aniline derivatives as FLT3 inhibitors for the treatment of acute myeloid leukemia

Design, synthesis, and biological evaluation of 4-((6,7-dimethoxyquinoline-4-yl)oxy)aniline derivatives as FLT3 inhibitors for the treatment of acute myeloid leukemia

  • Bioorg Med Chem Lett. 2019 Oct 1;29(19):126630. doi: 10.1016/j.bmcl.2019.126630.
Qiaoling Xu 1,  Baozhu Dai 1,  Zhiwei Li 1,  Le Xu 1,  Di Yang 1,  Ping Gong 1,  Yunlei Hou 2,  Yajing Liu 3
Affiliations

Affiliations

  • 1 Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China.
  • 2 Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China. Electronic address: houyunlei901202@163.com.
  • 3 Key Laboratory of Structure-Based Drug Design and Discovery (Shenyang Pharmaceutical University), Ministry of Education, 103 Wenhua Road, Shenhe District, Shenyang 110016, PR China. Electronic address: lyjpharm@126.com.
PMID: 31466809 DOI: 10.1016/j.bmcl.2019.126630
Abstract

FMS-like tyrosine kinase 3 (FLT3) was an important therapeutic target in acute myeloid leukemia (AML). We synthesized two series of 4-((6,7-dimethoxyquinoline-4-yl)oxy)aniline derivatives possessing the semicarbazide moiety and 2,2,2-trifluoro-N,N'-dimethylacetamide moiety as the linker. The cell proliferation assay in vitro against HL-60 and MV4-11 cell lines demonstrated that most series I compounds containing semicarbazide moiety had more potent than Cabozantinib. Furthermore, the Enzyme assay showed that compound 12c and 12g were potent FLT3 inhibitors with IC50 values of 312 nM and 384 nM, respectively. Following that, molecular docking analysis was also performed to determine possible binding mode between FLT3 and the target compound.

Keywords

Acute myeloid leukemia; FLT3; Inhibitors; Structure-activity relationships.

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