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Indexed by:期刊论文

Date of Publication:2013-01-01

Journal:EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY

Included Journals:SCIE、PubMed、Scopus

Volume:59

Page Number:141-149

ISSN No.:0223-5234

Key Words:Mcl-1; Small molecule inhibitor; Fragment-based approach; Anticancer

Abstract:Based on a known nanomolar Bcl-2 homology domain 3 (BH3) mimetic 3-thiomorpholin-8-oxo-8H-acenaphtho[1,2-b] pyrrole-9-carbonitrile (SI, MW: 331), we applied a fragment-based approach to obtain BH3 mimetics with improved affinity and improved solubility in a water ethanol (9:1) cosolvent. After the deconstruction of 1 (S1), we obtained fragment cyanoacetamide (4), which was determined to be a ligand efficiency (LE) hot part. After a rational optimization through fragment evolution beginning with fragment 4, a smaller Mcl-1 inhibitor (E,E)-2-(benzylaminocarbonyl)-3-styrylacrylonitrile (4g, MW: 288) with a 6-fold increase in affinity compared to I was obtained, as predicted by our optimization curve and identified by Mcl-1 protein nuclear magnetic resonance (NMR). (C) 2012 Elsevier Masson SAS. All rights reserved.