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Spiroimidazolidinone NPC1L1 inhibitors. Part 2: Structure–activity studies and in vivo efficacy

Howell, Kobporn L. ; Devita, Robert J. ; Garcia-Calvo, Margarita ; Meurer, Roger D. ; Lisnock, Jeanmarie ; Bull, Herbert G. ; Mcmasters, Daniel R. ; Mccann, Margaret E. ; Mills, Sander G.

Bioorganic & Medicinal Chemistry Letters, 2010, Vol.20(23), pp.6929-6932 [Peer Reviewed Journal]

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  • Title:
    Spiroimidazolidinone NPC1L1 inhibitors. Part 2: Structure–activity studies and in vivo efficacy
  • Author: Howell, Kobporn L. ; Devita, Robert J. ; Garcia-Calvo, Margarita ; Meurer, Roger D. ; Lisnock, Jeanmarie ; Bull, Herbert G. ; Mcmasters, Daniel R. ; Mccann, Margaret E. ; Mills, Sander G.
  • Description: Ezetimibe (Zetia®), a cholesterol-absorption inhibitor (CAI) approved by the FDA for the treatment of hypercholesterolemia, is believed to target the intestine protein Niemann-Pick C1-Like 1 (NPC1L1) or its pathway. A spiroimidazolidinone NPC1L1 inhibitor identified by virtual screening showed moderate binding activity but was not efficacious in an in vivo rodent model of cholesterol absorption. Synthesis of analogs established the structure–activity relationships for binding activity, and resulted in compounds with in vivo efficacy, thereby providing proof-of-concept that non-β-lactams can be effective CAIs. Ezetimibe (Zetia®), a cholesterol-absorption inhibitor (CAI) approved by the FDA for the treatment of hypercholesterolemia, is believed to target the intestine protein Niemann-Pick C1-Like 1 (NPC1L1) or its pathway. A spiroimidazolidinone NPC1L1 inhibitor identified by virtual screening showed moderate binding activity but was not efficacious in an in vivo rodent model of cholesterol absorption. Synthesis of analogs established the structure–activity relationships for binding activity, and resulted in compounds with in vivo efficacy, including 24, which inhibited plasma cholesterol absorption by 67% in the mouse, thereby providing proof-of-concept that non-β-lactams can be effective CAIs.
  • Is Part Of: Bioorganic & Medicinal Chemistry Letters, 2010, Vol.20(23), pp.6929-6932
  • Identifier: ISSN: 0960-894X ; DOI: 10.1016/j.bmcl.2010.09.138
  • Subjects: Ezetimibe ; Cholesterol-Absorption Inhibitor ; Hypercholesterolemia ; Niemann-Pick C1-Like 1 Protein ; Spiroimidazolidinone
  • Language: English

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