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MOU Yi, CHEN Tong, HUANG Zhangjian, LAI Yisheng, PENG Sixun, JI Hui, ZHANG Yihua. Design, synthesis and anti-inflammatory evaluation of CDDO-Me ester prodrugs[J]. Journal of China Pharmaceutical University, 2016, 47(6): 661-665. DOI: 10.11665/j.issn.1000-5048.20160605
Citation: MOU Yi, CHEN Tong, HUANG Zhangjian, LAI Yisheng, PENG Sixun, JI Hui, ZHANG Yihua. Design, synthesis and anti-inflammatory evaluation of CDDO-Me ester prodrugs[J]. Journal of China Pharmaceutical University, 2016, 47(6): 661-665. DOI: 10.11665/j.issn.1000-5048.20160605

Design, synthesis and anti-inflammatory evaluation of CDDO-Me ester prodrugs

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  • In order to search for new anti-inflammatory agents with strong activity and less toxicity relative to CDDO-Me, the ester prodrugs 2 - 8 of CDDO-Me were synthesized by treatment of oleanolic acid(OA)with DMF/K2CO3 to generate 1 , followed by esterification of 1 with various aliphatic and aromatic carboxylic acids, respectively. All the target compounds showed strong inhibitory effects on LPS-induced NO production in RAW 264. 7 cells. Among them, compounds 2 and 7 possessed the most potent inhibitory effects with IC50=(2. 34±0. 67)and(3. 83±0. 97)nmol/L, respectively. Moreover, MTT assay indicated that all the target compounds( 2 - 8 )displayed much weaker anti-proliferative activity against RAW 264. 7 cell lines than CDDO-Me, suggesting that they may be less toxic than CDDO-Me.
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