Vineridine
Standard reference
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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.
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Chemistry of Natural Compounds,1974,10(4): 496-503.
Absolute configuration of vinerine and vineridine[Reference:
WebLink]
METHODS AND RESULTS:
On the basis of an analysis of the circular dichroism and NMR spectra the absolute configuration 7R, 3R, 4S, 15S, 19S, 20S has been established for vinerine; 7S, 3R, 4S, 15S, 19S, 20S for Vineridine; and 7S, 3S, 4R, 15S, 19S, 20S for N-acetylvinerine.
Khimiya Prirodnykh Soedinenii,1966,2(4): 260–265.
The structure of vinerine and vineridine[Reference:
WebLink]
METHODS AND RESULTS:
1. The epigeal part ofV. erecta gathered in the Tashkent Oblast in the early vegetation period contains a mixture of alkaloids (2.7%). Separation of the total alkaloids gave vincanine, vincanidine, vinervine, akuammine, kopsinine, pseudokopsinine, and the new bases vinerine and Vineridine. 2. The structure of vinerine has been established by a study of the IR, NMR, and mass spectra.
CONCLUSIONS:
Vineridine is isomeric with vinerine at C3 and C7. 3. A new base, hydroxyindole reserpinine, has been obtained from reserpinine.
