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Volumn 14, Issue 1, 2004, Pages 251-256

Discovery of a novel bicycloproline P2 bearing peptidyl α-ketoamide LY514962 as HCV protease inhibitor

Author keywords

[No Author keywords available]

Indexed keywords

LY 514962; PROLINE DERIVATIVE; PROTEINASE INHIBITOR;

EID: 0347517809     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2003.09.074     Document Type: Article
Times cited : (67)

References (33)
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    • Phosphonates: PCT Patent (BI): WO/99/07734, 11/8/1997
    • Phosphonates: PCT Patent (BI): WO/99/07734, 11/8/1997.
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    • Peptidyl acids: (1) PCT Patent (BI): WO/99/07733, 11/08/1997
    • Peptidyl acids: (1) PCT Patent (BI): WO/99/07733, 11/08/1997.
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    • α-Ketoacids: PCT Patent: WO/99/64442, 10/6/1998.
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    • HOAT/DCC(DIC) was used to minimize racemization occurred at α-carbon during peptide coupling; cf.:
    • HOAT/DCC(DIC) was used to minimize racemization occurred at α-carbon during peptide coupling; cf.: Carpino L.A., El-Faham A. Tetrahedron. 55:1999;6813.
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    • For the synthesis of racemic form of compound II, see: Monn J.A., Valli M.J. J. Org. Chem. 59:1994;2773. The enantiomerically pure version of compound II was obtained via chiral HPLC separation.
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    • note
    • P1-Nva α-hydroxyacid was prepared from Z-Val(H) via its corresponding cyanohydrin intermediate.
  • 28
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    • note
    • i values were calculated from rate versus (inhibitor) plots, at fixed concentrations of enzyme and substrate, by a nonlinear least squares fit of the data to the equation of Morrison for tight binding competitive inhibition: Morrison, J. F. Biochim. Biophys. Acta 1969, 185, 269. The Prism program (GraphPad Software) was used for this procedure.
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    • note
    • A panel of 10 human serine and cysteine proteases including elastase, chymotrypsin, trypsin, kallikrein, plasmin, thrombin, Factor Xa, and cathepsins B, G, and L were selected. Assays were performed using the conditions substrates suggested by the manufacturer.
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    • (a) Replicon assay: Lohmann V., Korner F., Koch J.-O., Herian U., Theilmann L., Bartenschlager R. Science. 285:1999;110 (b) Blight K., Kolykhalov A., Rice C. Science. 290:2000;1972.
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  • 33
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    • note
    • Four-step sequence overall yields for 4a: 51%; 4b: 70%; 5a: 65%; 5b: 71%; 5c: 52%; 6a: 51%; 6b: 59%; 6c: 20%; 6d: 31%; 7b: 44%; 7c: 23%; 7d: 32%; 8a: 42%; 8c: 44%.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.