|Systematic (IUPAC) name|
|Ibogamine-18-carboxylic acid methyl ester|
Coronaridine, also known as 18-carbomethoxyibogamine, is an alkaloid found in Tabernanthe iboga and related species,including Tabernaemontana divaricata for which (under the now obsolete synonym Ervatamia coronaria) it was named.
Coronaridine persistently reduces the self-administration of cocaine and morphine in rats.
Coronaridine has been reported to bind to an assortment of molecular sites, including: μ-opioid (Ki = 2.0 μM), δ-opioid (Ki = 8.1 μM), and κ-opioid receptors (Ki = 4.3 μM), NMDA receptor (Ki = 6.24 μM) (as an antagonist), and nAChRs (as an antagonist). It has also been found to inhibit the enzyme acetylcholinesterase, act as a voltage-gated sodium channel blocker, and displays estrogenic activity in rodents. In contrast to ibogaine and other iboga alkaloids, coronaridine does not bind to either the σ1 or σ2 receptor.
- Delorenzi JC, Freire-de-Lima L, Gattass CR et al. (July 2002). "In vitro activities of iboga alkaloid congeners coronaridine and 18-methoxycoronaridine against Leishmania amazonensis". Antimicrobial Agents and Chemotherapy 46 (7): 2111–5. doi:10.1128/aac.46.7.2111-2115.2002. PMC 127312. PMID 12069962.
- Glick SD, Kuehne ME, Raucci J, Wilson TE, Larson D, Keller RW Jr, Carlson JN (September 1994). "Effects of iboga alkaloids on morphine and cocaine self-administration in rats: relationship to tremorigenic effects and to effects on dopamine release in nucleus accumbens and striatum.". Brain Res. 657 (1-2): 14–22. doi:10.1016/0006-8993(94)90948-2. PMID 7820611.
- Christophe Wiart (16 December 2013). Lead Compounds from Medicinal Plants for the Treatment of Neurodegenerative Diseases. Academic Press. pp. 67–69, 73. ISBN 978-0-12-398383-1.
- Gideon Polya (15 May 2003). Biochemical Targets of Plant Bioactive Compounds: A Pharmacological Reference Guide to Sites of Action and Biological Effects. CRC Press. pp. 203–. ISBN 978-0-203-01371-7.
- Chemistry and Biology. Academic Press. 21 September 1998. pp. 222–. ISBN 978-0-08-086576-8.
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