CHEBI:78330 - huperzine A

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ChEBI Name huperzine A
ChEBI ID CHEBI:78330
Definition A sesquiterpene alkaloid isolated from a club moss Huperzia serrata that has been shown to exhibit neuroprotective activity. It is also an effective inhibitor of acetylcholinesterase and has attracted interest as a therapeutic candidate for Alzheimer's disease.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C15H18N2O
Net Charge 0
Average Mass 242.31620
Monoisotopic Mass 242.14191
InChI InChI=1S/C15H18N2O/c1-3-11-10-6-9(2)8-15(11,16)12-4-5-14(18)17-13(12)7-10/h3-6,10H,7-8,16H2,1-2H3,(H,17,18)/b11-3+/t10-,15+/m0/s1
InChIKey ZRJBHWIHUMBLCN-YQEJDHNASA-N
SMILES C\C=C1/[C@@H]2Cc3[nH]c(=O)ccc3[C@@]1(N)CC(C)=C2
Metabolite of Species Details
Huperzia serrata (NCBI:txid355589) See: PubMed
Huperzia selago (NCBI:txid70001) See: PubMed
Roles Classification
Chemical Role(s): Bronsted base
A molecular entity capable of accepting a hydron from a donor (Bronsted acid).
(via organic amino compound )
Biological Role(s): EC 3.1.1.7 (acetylcholinesterase) inhibitor
An EC 3.1.1.* (carboxylic ester hydrolase) inhibitor that interferes with the action of enzyme acetylcholinesterase (EC 3.1.1.7), which helps breaking down of acetylcholine into choline and acetic acid.
plant metabolite
Any eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.
metabolite
Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.
(via alkaloid )
Application(s): neuroprotective agent
Any compound that can be used for the treatment of neurodegenerative disorders.
nootropic agent
Any compound that improves mental functions such as cognition, memory, intelligence, motivation, attention, and concentration.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing huperzine A (CHEBI:78330) has role EC 3.1.1.7 (acetylcholinesterase) inhibitor (CHEBI:38462)
huperzine A (CHEBI:78330) has role neuroprotective agent (CHEBI:63726)
huperzine A (CHEBI:78330) has role nootropic agent (CHEBI:66980)
huperzine A (CHEBI:78330) has role plant metabolite (CHEBI:76924)
huperzine A (CHEBI:78330) is a organic heterotricyclic compound (CHEBI:26979)
huperzine A (CHEBI:78330) is a primary amino compound (CHEBI:50994)
huperzine A (CHEBI:78330) is a pyridone (CHEBI:38183)
huperzine A (CHEBI:78330) is a sesquiterpene alkaloid (CHEBI:26657)
huperzine A (CHEBI:78330) is conjugate base of huperzine A(1+) (CHEBI:178022)
Incoming huperzine A(1+) (CHEBI:178022) is conjugate acid of huperzine A (CHEBI:78330)
IUPAC Name
(5R,9R,11E)-5-amino-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2(1H)-one
Synonyms Sources
(−)-huperazine A ChemIDplus
(−)-selagine ChemIDplus
(5R,9R,11E)-5-amino-11-ethylidene-5,6,9,10-tetrahydro-7-methyl-5,9-methanocycloocta[b]pyridin-2(1H)-one ChEBI
Hup A ChemIDplus
HupA ChEBI
huperzine-A ChEBI
hupzine A ChEBI
kimpukan A ChemIDplus
selagine ChemIDplus
Manual Xrefs Databases
16736021 ChemSpider
C00028361 KNApSAcK
DB04864 DrugBank
HMDB0242654 HMDB
Huperzine_A Wikipedia
View more database links
Registry Numbers Types Sources
102518-79-6 CAS Registry Number ChemIDplus
3592896 Reaxys Registry Number Reaxys
Citations Waiting for Citations Types Sources
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Last Modified
09 September 2021