Koumine,1358-76-5

Koumine,1358-76-5
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Product Details

Koumine

analytical standard     HPLC 98%


 

Synonym:

Koumine

Cas Number:1358-76-5
Molecular Formula:C20H22N2O
Molecular Weight:306.4


Chemical Name:

(3R)-1,2,18,19-Tetradehydro-3,17-epoxy-7α,20α(2H,19H)-cyclovobasan

Appearance:white  powder
Grade:analytical standard
Assay:≥98%(HPLC)
Chemical Family:Indole alkaloids
Original:Gelsemium elegang Benth
Storage temp:2~8°C
Pack Size:20mg;100mg;1gram ;10gram;
Application:For laboratory research use only


Spectral Information


HPLC Test Method:

InstrumentWaters2695ColumnUniSil 5-100C18 Ultra SS 4.6*250mmColumn temperature35℃Detection ModeHPLC-PDA 260nmFlow Rate1.0ml\minSample DissolutionMethanolMobile Phase AAcetonitrileMobile PhaseBWater   A:B=38:62 Run time30min

Koumine HPLC spectr


Mass Spectrometry:

ESI(+) Koumine [M+H]+=307

Koumine MS spectr


1H-NMR Spectra (400M,CDCl3)

Koumine HNMR spectr

13C-NMR Spectra (100MCDCl3)

Koumine CNMR spectr

Articles

Koumine, Humantenine, And Yohimbane Alkaloids From Gelsemium Elegans.

J Nat Prod. 2015 Jul 24;78(7):1511-7. doi: 10.1021/np5009619. Epub 2015 Jun 23.

Xu YKYang LLiao SGCao PWu BHu HBGuo JZhang P.

Nine new alkaloids of the koumine (1-4), humantenine (5-7), and yohimbane (8, 9) types as well as 12 known analogues were isolated from the leaves and vine stems of Gelsemium elegans......Read more



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