A simple and effective preparation of quercetin pentamethyl ether from quercetin

Jin Tatsuzaki, Tomohiko Ohwada, Yuko Otani, Reiko Inagi and Tsutomu Ishikawa
Beilstein J. Org. Chem. 2018, 14, 3112–3121. https://doi.org/10.3762/bjoc.14.291

Supporting Information

Supporting Information File 1: Experimental procedures, 1H and 13C NMR assignments of methylated products 3, 4 and 5 and references.
Format: PDF Size: 157.5 KB Download
Supporting Information File 2: NMR charts of methylated products 1, 3, 4 and 5.
Format: PDF Size: 643.0 KB Download

Cite the Following Article

A simple and effective preparation of quercetin pentamethyl ether from quercetin
Jin Tatsuzaki, Tomohiko Ohwada, Yuko Otani, Reiko Inagi and Tsutomu Ishikawa
Beilstein J. Org. Chem. 2018, 14, 3112–3121. https://doi.org/10.3762/bjoc.14.291

How to Cite

Tatsuzaki, J.; Ohwada, T.; Otani, Y.; Inagi, R.; Ishikawa, T. Beilstein J. Org. Chem. 2018, 14, 3112–3121. doi:10.3762/bjoc.14.291

Download Citation

Citation data can be downloaded as file using the "Download" button or used for copy/paste from the text window below.
Citation data in RIS format can be imported by all major citation management software, including EndNote, ProCite, RefWorks, and Zotero.

Presentation Graphic

Picture with graphical abstract, title and authors for social media postings and presentations.
Format: PNG Size: 126.8 KB Download

Citations to This Article

Up to 20 of the most recent references are displayed here.

Scholarly Works

  • Wang, R.; Ha, K.-Y.; Dhandapani, S.; Kim, Y.-J. Biologically synthesized black ginger-selenium nanoparticle induces apoptosis and autophagy of AGS gastric cancer cells by suppressing the PI3K/Akt/mTOR signaling pathway. Journal of nanobiotechnology 2022, 20, 441. doi:10.1186/s12951-022-01576-6
  • Jitrangsri, K.; Kamata, K.; Akiba, M.; Yajiri, Y.; Ishibashi, M.; Tatsuzaki, J.; Ishikawa, T. Is 18α-Glycyrrhizin a real natural product? Improved preparation of 18α-Glycyrrhizin from 18β-Glycyrrhizin as a positive standard for HPLC analysis of licorice extracts. Journal of natural medicines 2022, 76, 367–378. doi:10.1007/s11418-021-01589-9
  • Straßmann, S.; Brehmer, T.; Passon, M.; Schieber, A. Methylation of Cyanidin-3-O-Glucoside with Dimethyl Carbonate. Molecules (Basel, Switzerland) 2021, 26, 1342. doi:10.3390/molecules26051342
  • Zhang, M.; Lu, P.; Terada, T.; Sui, M.; Furuta, H.; Iida, K.; Katayama, Y.; Lu, Y.; Okamoto, K.; Suzuki, M.; Asakura, T.; Shimizu, K.; Hakuno, F.; Takahashi, S.; Shimada, N.; Yang, J.; Ishikawa, T.; Tatsuzaki, J.; Nagata, K. Quercetin 3,5,7,3',4'-pentamethyl ether from Kaempferia parviflora directly and effectively activates human SIRT1. Communications biology 2021, 4, 209. doi:10.1038/s42003-021-01705-1
  • Brovarets’, O. O.; Hovorun, D. M. Conformational diversity of the quercetin molecule: a quantum-chemical view. Journal of biomolecular structure & dynamics 2019, 38, 2817–2836. doi:10.1080/07391102.2019.1656671

Patents

  • TATSUZAKI JIN; ISHIKAWA TSUTOMU. Method of producing an alkoxyflavone derivative. US 10889557 B1, Jan 12, 2021.
Other Beilstein-Institut Open Science Activities