3-Acetylyunaconitine
3-Acetylyunaconitine is a natural product from Aconitum episcopale Levl.
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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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Acta Chimica Sinica, 1981, 39(5):445-452.
Carbon-13 NMR spectroscopic studies of several new diterpenoid alkaloids from Aconitum species[Reference:
WebLink]
METHODS AND RESULTS:
The ~(13)C NMR spectra of aconitine-type diterpenoid alkaloids and derivatives: yunaconitine(3),vilmorrianines A (5), B (karakoline, 8), C(7)and D(9), soopaline (10), 3-Acetylyunaconitine (4) and 3-acetyl-vilmorrianine A (6) have been determined at 22.63 MHz in the PFT mode. These alkaloids were recently isolated from Aconitum species used in medicine in Yunnan. The structures of new alkaloids 3, 5, 7, 9 and 10 were further proved by ~(13)c NMR Spectra.
CONCLUSIONS:
The chemical shifts due to each carbon atoms in these compounds were assigned with the help of off-resonance decoupling, additive relationship and comparison with similar alkaloids (see Tables 1 and 3).
