Synthesis and α-Glucosidase Inhibitory Activity of Ursolic Acid, Lupeol, and Betulinic Acid Derivatives

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作者
Ngoc-Hong Nguyen
Duc Dung Pham
Thi-Thanh-Van Le
Thi-Anh-Tuyet Nguyen
Dinh-Long Huynh
Thuc-Huy Duong
Jirapast Sichaem
机构
[1] Ho Chi Minh City University of Technology (HUTECH),CirTech Institute
[2] Ho Chi Minh City University of Education,Department of Chemistry
[3] Thammasat University Lampang Campus,Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology
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pentacyclic triterpenoids; synthesis; oxone oxidation; α-glucosidase inhibition;
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摘要
Seven synthetic derivatives of ursolic acid, lupeol, and betulinic acid (1a–1b, 2a–2b, and 3a–3c) were synthesized to study their α-glucosidase inhibitory activity. Three of them (2b, 3b, and 3c) are new compounds. Among the synthetic derivatives, betulinic acid analogues 3b and 3c exhibited the best activity against α-glucosidase and is superior to the positive agent, with IC50 values of 35.0 ± 3.37 and 34.0 ± 1.24 μM, respectively.
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页码:1038 / 1041
页数:3
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