8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin
Reference standards.
Inquire / Order:
manager@chemfaces.com
Technical Inquiries:
service@chemfaces.com
Tel:
+86-27-84237783
Fax:
+86-27-84254680
Address:
1 Building, No. 83, CheCheng Rd., Wuhan Economic and Technological Development Zone, Wuhan, Hubei 430056, PRC
Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to
24 months(2-8C).
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
Heliyon.2023, 9:e21652.
Food Chem.2024, 446:138870.
Evid Based Complement Alternat Med.2017, 2017:1401279
bioRxiv-Pharm.&Toxi.2022, 2022.481203.
Environ Toxicol.2023, 38(7):1641-1650.
Molecules.2015, 20(10):19172-88
Russian Journal of Bioorganic Chemistry2023, 49:1689¨C1698.
J Cosmet Dermatol.2022, 21(1):396-402.
Phytomedicine.2024, 155760.
Front Pharmacol.2021, 12:762829.
Related and Featured Products
Chinese Traditional and Herbal Drugs, 2014, 45(14):1984-1988.
Chemical constituents from Scilla scilloides.[Reference:
WebLink]
To study the chemical constituents from Scilla scilloides.
METHODS AND RESULTS:
The chemical constituents were isolated and purified by column chromatography and their structures were identified by spectral data. Eighteen compounds were isolated from S. scilloides. Their structures were identified as scillascillin(1), 2-hydroxy-7-O-methylscillascillin(2), 4′-demethyleucomin(3), 5-hydroxy-7-methoxy-3-(4-hydroxybenzylidene) chroman-4-one(4), 4′-demethyl-3, 9-dihydroeucomin(5), 3′-hydroxy-3, 9-dihydroeucomin(6), 8-O-Demethyl-7-O-methyl-3,9-dihydropunctatin(7), apigenin(8), luteolin(9), chrysoeriol(10), 3-dehydro-15-deoxoeucosterol(11), 15-deoxoeucosterol(12), 4-allylpyrocatechol(13), norlichexanthone(14), drimiopsin C(15), 6-feruloylcatalpol(16), catalposide(17), and specioside(18).
CONCLUSIONS:
Iridoids(16—18) are isolated from the genus Scilla L. for the first time. Compounds 4, 7—10, and 13—18 are isolated from the plants of this genus for the first time.
