📜泽泻醇f置于lithium,乙二胺体系中,化学反应 1.5H,以0.7 Mg的收率获得dihydroalisol A 参考文献:Crude Drugs From Aquatic Plants. I. On The Constituents Of Alismatis Rhizoma. (1). Absolute Stereostructures Of Alisols E 23-Acetate,F,And G,Three New Protostane-Type Triterpenes From Chinese Alismatis Rhizoma. 标题:Crude Drugs From Aquatic Plants. I. On The Constituents Of Alismatis Rhizoma. (1). Absolute Stereostructures Of Alisols E 23-Acetate,F,And G,Three New Protostane-Type Triterpenes From Chinese Alismatis Rhizoma. 摘要:从中国泽泻根茎(中国四川省采集的水生植物东方泽泻的干燥根茎(日文为 Sentaku))的极性较低的部分中,分离出了三种新的原烷型三萜类化合物,分别命名为泽泻醇 E 23-乙酸酯,F 和 G,以及四种愈创木型倍半萜类化合物和几种已知的三萜类化合物,包括 13,17-表紫苏醇 A.根据化学和物理化学证据,包括 E 23-乙酸烯醇,F 和 G 与已知三萜类烯醇 A 和 A 24-乙酸酯的化学相关性,以及应用改进的莫舍尔法,确定了 E 23-乙酸烯醇,F 和 G 的绝对立体结构. Doi:10.1248/cpb.41.1948
1: Lu L, Lu T, Shen J, Lv X, Wei W, Wang H, Xue X. Alisol A 24-acetate protects against brain microvascular endothelial cells injury through inhibiting miR-92a-3p/tight junctions axis. Aging (Albany NY). 2021 Jun 4;13(undefined). doi: 10.18632/aging.203094. Epub ahead of print. 59(1):513-524. doi: 10.1080/13880209.2021.1912117. 3: Lou HX, Fu WC, Chen JX, Li TT, Jiang YY, Liu CH, Zhang W. Alisol A 24-acetate stimulates lipolysis in 3 T3-L1 adipocytes. BMC Complement Med Ther. 2021 Apr 22;21(1):128. doi: 10.1186/s12906-021-03296-0. 4: Yang F, Gu L, Han Z, Wang Z. Rapid screening for natural lipase inhibitors from Alisma orientale combining high-performance thin-layer chromatography- bioautography with mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci. 2021 Apr 30;1170:122599. doi: 10.1016/j.jchromb.2021.122599. Epub 2021 Feb 27.
合成参考文献
参考文献:10.1016/j.phymed.2018.04.006 摘要:Liao M, Shang H, Li Y, Li T, Wang M, Zheng Y, Hou W, Liu C. An integrated approach to uncover quality marker underlying the effects of Alisma orientale on lipid metabolism, using chemical analysis and network pharmacology. Phytomedicine. 2018 Jun 01;45():93–104. doi: 10.1016/j.phymed.2018.04.006. 参考文献:10.1016/s0960-894x(99)00536-3 摘要:Matsuda H, Kageura T, Toguchida I, Murakami T, Kishi A, Yoshikawa M. Effects of sesquiterpenes and triterpenes from the rhizome of Alisma orientale on nitric oxide production in lipopolysaccharide-activated macrophages: Absolute stereostructures of alismaketones-B 23-acetate and -C 23-acetate. Bioorganic & Medicinal Chemistry Letters. 1999 Nov;9(21):3081–6. doi: 10.1016/s0960-894x(99)00536-3.