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Volumn 21, Issue 22, 2011, Pages 6793-6799

Discovery and SAR exploration of a novel series of imidazo[4,5-b]pyrazin-2- ones as potent and selective mTOR kinase inhibitors

Author keywords

Kinase inhibitors; Mammalian target of rapamycin; mTOR kinase; Oncology; PI3K Akt mTOR pathway

Indexed keywords

ANTINEOPLASTIC AGENT; IMIDAZO[4,5 B]PYRAZIN 2 ONE; IMIDAZOPYRAZINE DERIVATIVE; MAMMALIAN TARGET OF RAPAMYCIN COMPLEX 1; MAMMALIAN TARGET OF RAPAMYCIN COMPLEX 2; MAMMALIAN TARGET OF RAPAMYCIN INHIBITOR; PHOSPHATIDYLINOSITOL 3 KINASE; PROTEIN KINASE B; PROTEIN S6; UNCLASSIFIED DRUG;

EID: 80054722427     PISSN: 0960894X     EISSN: 14643405     Source Type: Journal    
DOI: 10.1016/j.bmcl.2011.09.035     Document Type: Article
Times cited : (31)

References (28)
  • 22
    • 84857506339 scopus 로고    scopus 로고
    • +(1:1 ratio), corresponding to loss of one Boc-group with amine addition to the second Boc-group to afford the intermediate urea (with the bromide still present). LC-MS at 1 h shows only the desired product
    • +(1:1 ratio), corresponding to loss of one Boc-group with amine addition to the second Boc-group to afford the intermediate urea (with the bromide still present). LC-MS at 1 h shows only the desired product.
  • 23
    • 84857502973 scopus 로고    scopus 로고
    • 50 >5 μM for biomarkers pS6 and pAkt and proliferation in PC3 cells for 22 and 23
    • 50 >5 μM for biomarkers pS6 and pAkt and proliferation in PC3 cells for 22 and 23.
  • 24
    • 84857506719 scopus 로고    scopus 로고
    • Rat hepatocyte stability (% remaining at 60 min): 8.0 ± 0.5% and 65 ± 10% for 32 and 39, respectively
    • Rat hepatocyte stability (% remaining at 60 min): 8.0 ± 0.5% and 65 ± 10% for 32 and 39, respectively.
  • 27
    • 0033634827 scopus 로고    scopus 로고
    • A homology model of the active site of mTOR was built using the coordinates of PI3K-gamma, PDB code 1e7u: Walker, E. H.; Pacold, M.E.; Perisic, O.; Stephens, L.; Hawkins, P. T.; Wymann, M. P.; Williams, R. L. Mol. Cell. 2000, 6, 909. The model was constructed by substituting the active site residues of mTOR into the active site coordinates of PI3K-gamma. More distant residues were left as in PI3K-gamma due to low sequence identity outside of the ATP binding site. The binding site was defined as residues with atoms within about 5 A of the bound ligand (Wortmannin in structure 1e7u).
    • (2000) Mol. Cell. , vol.6 , pp. 909
    • Walker, E.H.1    Pacold, M.E.2    Perisic, O.3    Stephens, L.4    Hawkins, P.T.5    Wymann, M.P.6    Williams, R.L.7
  • 28
    • 84857502972 scopus 로고    scopus 로고
    • SelectScreen® Kinase Profiling Services: Invitrogen Corporation, Carlsbad CA. For enzymes assessed, see Supplementary data
    • SelectScreen® Kinase Profiling Services: Invitrogen Corporation, Carlsbad CA. For enzymes assessed, see Supplementary data.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.