Journal
BIOORGANIC & MEDICINAL CHEMISTRY
Volume 22, Issue 5, Pages 1596-1607Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2014.01.032
Keywords
FXR antagonist; SAR study; Hydroxyacetophenone derivatives; Non-steroidal
Funding
- National Natural Science Foundation of China [81273397, 81373462, 81173105]
- Chinese National Science & Technology Major Project 'Key New Drug Creation and Manufacturing Program' [2013ZX09508104, 2012ZX09103-101-018, 2014ZX09301-306-03]
- Science Foundation of Shanghai [12XD1405700]
- Fundamental Research Funds for the Central Universities [WY1114026]
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Compound 1 (IC50 = 35.2 +/- 7.2 mu M), a moderate FXR antagonist was discovered via high-throughput screening. Structure-activity relationship studies indicated that the shape and the lipophilicity of the substituents of the aromatic ring affect the activity dramatically, increasing the shape and the lipophilicity of the substituents of the aromatic ring enhances the potency of FXR antagonists. Especially, when the OH at C2 position of the aromatic ring was replaced by the OBn substituent (analog 2b), its activity could be improved to IC50 = 1.1 +/- 0.1 mu M. Besides, the length of the linker and the tetrazole structure are essential for retaining the activity. (C) 2014 Elsevier Ltd. All rights reserved.
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