Chemicals and Drugs

Bicuculline

An isoquinoline alkaloid obtained from Dicentra cucullaria and other plants. It is a competitive antagonist for GABA-A receptors.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An isoquinoline alkaloid obtained from Dicentra cucullaria and other plants. It is a competitive antagonist for GABA-A receptors.

Chemical Identity

Chemical Information

Molecular Formula
C20H17NO6
Molecular Weight
367.4 g/mol
CAS Registry No.
485-49-4
IUPAC Name
(6R)-6-[(5S)-6-methyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-5-yl]-6H-furo[3,4-g][1,3]benzodioxol-8-one
InChIKey
IYGYMKDQCDOMRE-ZWKOTPCHSA-N
SMILES
CN1CCC2=CC3=C(C=C2[C@H]1[C@H]4C5=C(C6=C(C=C5)OCO6)C(=O)O4)OCO3
MeSH Unique ID
D001640
Source
PubChem CID 10237

MeSH Record

Classification

Broader headings

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

1 entry terms
  • 6-(5,6,7,8-Tetrahydro-6-methyl-1,3-dioxolo(4,5-g)isoquinolin-5-yl)furo(3,4-e)1,3-benzodioxol-8(6H)one

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

80(75); was see under ISOQUINOLINES 1975-79

MeSH Record

Previous Indexing

  • Alkaloids (1972-1974)
  • Dioxoles (1972-1974)
  • Isoquinolines (1971-1974)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QV 103

AMA Style

References

  1. National Library of Medicine. Bicuculline. Medical Subject Headings (MeSH). 2026. Unique ID D001640. http://id.nlm.nih.gov/mesh/2026/D001640
  2. Bicuculline. In: Wikipedia. https://en.wikipedia.org/wiki/Bicuculline
  3. Bicuculline. In: Wikidata. https://www.wikidata.org/wiki/Q3639734
  4. Bicuculline. In: PubChem Compound. CID 10237. https://pubchem.ncbi.nlm.nih.gov/compound/10237