Lannaconitine

Catalogue number C104005
Chemical nameLannaconitine
CAS Number32854-75-4
Synonyms(+)-Lappaconitine; Acetyl-10-deoxysepaconitine; Aconitane-4,8,9-triol, 20-ethyl-1,14,16-trimethoxy-, 4-(2-acetylamino)benzoate), (1-alpha,14-alpha,16-beta)-; (1alpha,10alpha,13alpha,14alpha,16beta,17xi)-20-ethyl-8,9-dihydroxy-1,14,16-trimethoxyaconitan-4-yl 2-(acetylamino)benzoate; (14alpha,16beta)-20-ethyl-8,9-dihydroxy-1,14,16-trimethoxyaconitan-4-yl 2-(acetylamino)benzoate
Molecular WeightC32H44N2O8
Formula584.7
Purity98%
Physical DescriptionCryst.
SolventChloroform, Dichloromethane,DMSO
StorageStored at 2-8°C, Protected from air and light, refrigerate or freeze
Applications

Neurotoxic and Cardiotoxic.


Has a strong analgesic activity that does not involve the opioid receptor. It was shown to have class-I antiarrhythmic action and irreversibly blocks cloned human heart (hH1) channels by binding to the site 2 receptor.

The analgesic activity of lappaconitine was examined after oral and subcutaneous administration to mice or rats by using methods for screening of analgesics, i.e., hot plate, tail immersion, tail pinch, tail pressure, acetic acid-induced writhing, bradykinin-induced flexor reflex of hind limb and Randall-Selitto methods. The results were compared with those for morphine, indometacin and acetylsalicylic acid (ASA). Analgesic activities of lappaconitine were greater than those of indometacin and ASA, but generally about 2 to 5 times less than those of morphine. However, in the rat tail immersion test, orally administered lappaconitine exhibited more potent analgesic activity than morphine; in this test, lappaconitine was almost equipotent when given orally and subcutaneously, whereas the potency of orally administered morphine was only one-twentieth of that of subcutaneously administered morphine. Like morphine, lappaconitine increased the pain threshold of the normal paw as well as that of the inflamed paw when tested by the Randall-Selitto method. The results show that lappaconitine has strong analgesic activity, and further suggest that the central nervous system may be involved in the action on the pain threshold.

References1. Tet. Lett., 1964, 2711.
2. Can. J. Chem., 1979, 57, 1652.
3. Arzneimittelforschung., 1988, 38(7), 892-895.
4. Anal. Methods, 2013, 5, 4034-4038.
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Lannaconitine
Price(USD)
SizePrice(USD)Discount
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10mgInquiryN/A
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