Eburnamenine
Eburnamenine is an indole alkaloid known for its anticholinergic properties[2]. It is a natural product found in various plant species such as Kopsia officinalis and Hunteria[10]. The compound has been the subject of various studies due to its potential pharmacological applications, particularly in the treatment of cerebral insufficiency.
Synthesis and Derivatives
Eburnamenine can be synthesized through several methods. One notable approach involves the chiral synthesis from L-glutamic acid or D-mannitol, where (S)-trityl-lactone is stereo-selectively converted into eburnamenine[1][9][14]. This method highlights the compound's complex chemical structure and the intricate steps required for its synthesis.
Pharmacological Properties
Eburnamenine derivatives have been extensively studied for their effects on cerebral insufficiency. For instance, vindeburnol, a derivative of eburnamenine, has shown promising results in improving electrocortical recovery and reducing brain energy demand in experimental models[3]. Another derivative, RU 24722, has demonstrated significant effects in decreasing EEG recovery time and enhancing electrocortical activity post-ischemia, suggesting its potential therapeutic efficacy[4].
Research and Applications
The ongoing research into eburnamenine and its derivatives underscores their potential in medical applications, particularly in neuropharmacology. The studies focus on their ability to modulate cerebral blood flow, energy metabolism, and recovery from cerebral ischemic damage, which are crucial areas in the treatment of diseases like stroke and other forms of brain injury.
In summary, eburnamenine is a significant compound in the field of medicinal chemistry, with various synthetic pathways and a promising pharmacological profile that could lead to new treatments for neurological conditions.
Citations:
[1] https://pubs.rsc.org/en/content/articlelanding/1985/p1/p19850000305
[2] https://en.wikipedia.org/wiki/Eburnamenine
[3] https://pubmed.ncbi.nlm.nih.gov/3814205/
[4] https://pubmed.ncbi.nlm.nih.gov/4039569/
[5] https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI%3A35644&treeView=true
[6] https://www.sciencedirect.com/topics/chemistry/eburnamenine
[7] https://pubs.acs.org/doi/10.1021/acs.orglett.7b01410
[8] https://webbook.nist.gov/cgi/inchi?ID=C6835990
[9] https://pubs.rsc.org/en/content/articlehtml/1985/p1/p19850000305
[10] https://pubchem.ncbi.nlm.nih.gov/compound/Eburnamenine
[11] http://www.chemspider.com/Chemical-Structure.5256838.html
[12] https://pubs.acs.org/doi/10.1021/jo00244a020
[13] https://pubchem.ncbi.nlm.nih.gov/compound/15559073
[14] https://www.semanticscholar.org/paper/Chiral-synthesis-of-%28%2B%29-eburnamine%2C-and-Takano-Yonaga/c3055d69f3a40c7b232c00a7c435468065189b4c
[15] https://www.sciencedirect.com/topics/chemistry/eburnamine
[16] https://patents.google.com/patent/US4065458
[17] https://drugs.ncats.io/drug/LB9CWH9GJ2
[18] https://www.wikidata.org/wiki/Q15410950
[19] https://drugs.ncats.io/substance/BW9YZV9HYW