Novel phenylpropanoid–amino acid adducts from Ligusticum chuanxiong?
Organic Chemistry Frontiers Pub Date: 2018-03-06 DOI: 10.1039/C8QO00012C
Abstract
Eight new amino acid derivatives (1–8) and two known compounds (9–10) were isolated from the rhizome of Ligusticum chuanxiong Hort. Their structures were established using UV, IR, HRESIMS, and NMR data. Notably, phenylpropanoid–amino acid adducts 1–6 are the first reported natural products, which possess a unique adduct structure. In addition, their analogues (1–5) were successfully synthesized by nucleophilic substitution and hydrolysis. The absolute configurations of 1–5 were determined by comparison of the specific rotations with those of their analogues and the natural amino acid methyl ester hydrochloride in acetic acid. In addition, these compounds were all evaluated for their neuroprotective effects, and compound 9 showed a moderate protective effect towards human neuroblastoma SH-SY5Y cell injury induced by H2O2.
Recommended Literature
- [1] Distribution and ecological risk assessment of typical antibiotics in the surface waters of seven major rivers, China? Environ. Sci.: Processes Impacts, 2021,23, 1088-1100 10.1039/D1EM00079A
- [2] Enantiopure 2,6-disubstituted piperidines bearing one alkene- or alkyne-containing substituent: preparation and application to total syntheses of indolizidine-alkaloids? Hui Liu,Deyong Su,Guolin Cheng,Jimin Xu,Xinyan Wang,Yuefei HuOrg. Biomol. Chem., 2010,8, 1899-1904 10.1039/B927007H
- [3] Evolution of shape, size, and areal density of a single plane of Si nanocrystals embedded in SiO2 matrix studied by atom probe tomography Bin Han,Yasuo Shimizu,Gabriele Seguini,Celia Castro,Gérard Ben Assayag,Koji Inoue,Yasuyoshi Nagai,Sylvie Schamm-Chardon,Michele PeregoRSC Adv., 2016,6, 3617-3622 10.1039/C5RA26710B
- [4] Distributed research: a new paradigm for undergraduate research and global problem solving? Bruce ParkinsonEnergy Environ. Sci., 2010,3, 509-511 10.1039/B919523H
- [5] Emulsion technologies for multicellular tumour spheroid radiation assays? Kay S. McMillan,Anthony G. McCluskey,Annette Sorensen,Marie Boyd,Michele ZagnoniAnalyst, 2016,141, 100-110 10.1039/C5AN01382H
- [6] Emerging investigator series: heterogeneous reactions of sulfur dioxide on mineral dust nanoparticles: from single component to mixed components? Tao Wang,Yangyang Liu,Yue Deng,Hongbo Fu,Jianmin ChenEnviron. Sci.: Nano, 2018,5, 1821-1833 10.1039/C8EN00376A
- [7] Embedding cyclic nitrone in mesoporous silica particles for EPR spin trapping of superoxide and other radicals? Eric Besson,Stéphane Gastaldi,Emily Bloch,Selma Aslan,Hakim Karoui,Olivier Ouari,Micael HardyAnalyst, 2019,144, 4194-4203 10.1039/C9AN00468H
- [8] Enantio- & chemo-selective preparation of enantiomerically enriched aliphatic nitro alcohols using Candida parapsilosis ATCC 7330 Sowmyalakshmi VenkataramanRSC Adv., 2015,5, 73807-73813 10.1039/C5RA13593A
- [9] Excellent mechanical performance and enhanced dielectric properties of OBC/SiO2 elastomeric nanocomposites: effect of dispersion of the SiO2 nanoparticles? Xing Zhao,Lu Bai,Rui-Ying Bao,Zheng-Ying Liu,Ming-Bo Yang,Wei YangRSC Adv., 2017,7, 46297-46305 10.1039/C7RA08074C
- [10] Fe(ii)-Assisted one-pot synthesis of ultra-small core–shell Au–Pt nanoparticles as superior catalysts towards the HER and ORR? Yi Cao,Yujiao Xiahou,Lixiang Xing,Xiang Zhang,Hong Li,ChenShou Wu,Haibing XiaNanoscale, 2020,12, 20456-20466 10.1039/D0NR04995F
Journal Name：Organic Chemistry Frontiers
research_products
-
CAS no.: 89640-58-4
![N-(3-cyanothiolan-3-yl)-2-[(2,2,2-trifluoroethyl)sulfanyl]pyridine-4-carboxamide](https://ossimg.kuujia.com/scimg/1444500/1444113-98-7x500.png)
![1,2,3,4,5,6-Hexahydro-[2,3]bipyridinyl-6-ol](https://ossimg.kuujia.com/scimg/1271000/1270529-38-8x500.png)
![2,2-Difluoro-3-[methyl(2-methylbutyl)amino]propanoic acid](https://ossimg.kuujia.com/scimg/2138500/2138166-62-6x500.png)
![2-(1H-indol-3-yl)-N-{[6-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl]methyl}acetamide](https://ossimg.kuujia.com/scimg/2034500/2034271-14-0x500.png)