Efficient access to 2-isobetulinic acid, 2-isooleanolic acid, and 2-isoursolic acid |
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Authors: | Hao Jia Zhang Pu Wen Xiaoan Sun Hongbin |
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Institution: | Center for Drug Discovery, College of Pharmacy, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China. |
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Abstract: | An efficient access to 2-isobetulin, 2-isobetulinic acid, 2-isooleanolic acid, and 2-isoursolic acid has been developed. The key step is a novel one-pot conversion of 2,3-dihydroxy triterpenes to 3-deoxy-2-oxo triterpenes. This method provides a new access to 3-deoxy-2-substituted pentacyclic triterpenes as potential therapeutic agents against metabolic diseases, tumors, and HIV infection. |
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