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Loganine acid
Loganicacid
【Structural formula】
[Molecular formula and molecular weight] C 16 H 24 O 10 ; 376.
[Source] Gentiana macrophylla Pall.
【Properties】White crystals
This product is soluble in methanol
Melting point: 164~166℃
【Purity Check】
TLC
1.
Developing solvent ethyl acetate - methanol - water (10:2:1)
Check under UV lamp (254nm)
2.
Developing agent chloroform-methanol-water (6:4:1)
Check under UV lamp (254nm)
High performance liquid chromatography
Chromatographic column Agilent SB C 18 , 10um (4.
Mobile phase acetonitrile-0.
Detection wavelength 254nm
[Structural identification] 234nm
3390, 1686 (C=O), 1635, 1280, 1184, 1076
ESI-MS m/z: 377 [M+H] +
1 H-NMR (DMSO) δ: 0.
13 C-NMR (DMSO) δ: 96.
【Storage】Dry and airtight
Related Links: Quercus Acid