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protopine

Structure via PubChem · Public domain (PubChem)

EntityQ390706· pop 13· linked from 46 articles

Also known as Macleyine, Fumarine, Corydinine, 4,6,7,14-Tetrahydro-5-methyl-bis(1,3)benzodioxolo(4,5-c-5',6'-g)azecin-13(5H)-one, 7-methyl-6,8,9,16-tetrahydrobis[1,3]benzodioxolo[4,5-c:5',6'-g]azecin-15(7H)-one, Bis(1,3)benzodioxolo(4,5-c:5',6'-g)azecin-13(5H)-one,4,6,7,14-tetrahydro-5-methyl-, 7,13a-Secoberbin-13a-one, 7-methyl-2,3:9,10-bis(methylenedioxy)-, Biflorine

Protopine is an alkaloid occurring in opium poppy, Corydalis tubers and other plants of the family papaveraceae, like Fumaria officinalis.

Chemical data

Formula
C20H19NO5
Molecular weight
353.4 g/mol
IUPAC name
15-methyl-7,9,19,21-tetraoxa-15-azapentacyclo[15.7.0.04,12.06,10.018,22]tetracosa-1(17),4,6(10),11,18(22),23-hexaen-3-one
SMILES
CN1CCC2=CC3=C(C=C2C(=O)CC4=C(C1)C5=C(C=C4)OCO5)OCO3
InChIKey
GPTFURBXHJWNHR-UHFFFAOYSA-N
XLogP
2.8
Polar surface area
57.2 Ų
H-bond donors
0
H-bond acceptors
6
Formal charge
0

via PubChem

Drug data · ChEMBL

Molecule type
Small molecule

via ChEMBL · EBI

Research

402 papers

via PubMed

Wikidata facts

Has part
hydrogen
Mass
353.126323
Show 5 more facts
chemical formula
C₂₀H₁₉NO₅
canonical SMILES
CN1CCC2=CC3=C(C=C2C(=O)CC4=C(C1)C5=C(C=C4)OCO5)OCO3
found in taxon
Thalictrum flavum
subject has role
H1 antagonist
Commons category
Protopine
Sources (3)

via Wikidata · CC0

~1 min read

Encyclopedic overview

4 sections
Contents
  • Biosynthesis
  • Metabolism
  • See also
  • References

Protopine is an alkaloid occurring in opium poppy, Corydalis tubers and other plants of the family papaveraceae, like Fumaria officinalis.

It has been found to inhibit histamine H1 receptors and platelet aggregation, and acts as an analgesic.

Excerpted from Wikipedia’s “protopine” article, available under the CC BY-SA 4.0 licence.