Venoterpine
Venoterpine is a natural product from Rauvolfia verticillata.
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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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Journal of Natural Products , 1982 , 45 (4) :489-494.
Alcaloïdes Des écorces De Tiges De Strychnos dinklagei[Reference:
WebLink]
METHODS AND RESULTS:
Ten alkaloids have been isolated from the stem barks of Strychnos dinklagei. Six of them are known compounds, two monoterpene alkaloids: gentianine (3) and Venoterpine (4), and four pyrido [4, 3b] carbazoles: ellipticine (1), N b-oxy-ellipticine (5), 3,14-dihydroellipticine (6) and 3,14,4,21-tetrahydroellipticine (7). The four other alkaloids are new natural ellipticine derivatives: 17-oxoellipticine (2), 10-hydroxyellipticine (8), N b-oxy 17-oxoellipticine (9) and 18-hydroxyellipticine (10).
CONCLUSIONS:
Their structures have been established by spectral analysis and chemical correlations. In addition three neutral products have been isolated and identified: methyl syringate (12), lirioresinol A (13) and lirioresinol B (14).
