Details
Stereochemistry | ABSOLUTE |
Molecular Formula | C20H24N2O2.2ClH |
Molecular Weight | 397.339 |
Optical Activity | UNSPECIFIED |
Defined Stereocenters | 5 / 5 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
Cl.Cl.[H][C@]1(C[C@@H]2CC[N@]1C[C@@H]2C=C)[C@@H](O)C3=CC=NC4=CC=C(OC)C=C34
InChI
InChIKey=NNKXWRRDHYTHFP-QTEGFKMESA-N
InChI=1S/C20H24N2O2.2ClH/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18;;/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3;2*1H/t13-,14-,19-,20-;;/m0../s1
Molecular Formula | C20H24N2O2 |
Molecular Weight | 324.4168 |
Charge | 0 |
Count |
|
Stereochemistry | ABSOLUTE |
Additional Stereochemistry | No |
Defined Stereocenters | 4 / 4 |
E/Z Centers | 0 |
Optical Activity | UNSPECIFIED |
Molecular Formula | ClH |
Molecular Weight | 36.461 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
DescriptionSources: https://www.ncbi.nlm.nih.gov/pubmed/1510452Curator's Comment: Description was created based on several sources, including
https://www.ncbi.nlm.nih.gov/pubmed/10191268 |
https://www.ncbi.nlm.nih.gov/pubmed/7925942 | https://www.ncbi.nlm.nih.gov/pubmed/10530923
Sources: https://www.ncbi.nlm.nih.gov/pubmed/1510452
Curator's Comment: Description was created based on several sources, including
https://www.ncbi.nlm.nih.gov/pubmed/10191268 |
https://www.ncbi.nlm.nih.gov/pubmed/7925942 | https://www.ncbi.nlm.nih.gov/pubmed/10530923
Epiquinine is a stereoisomer of quinine, antimalarial alkoloid from the bark of a cinchona tree. Quinine was over 100 times more active than epiquinine against chloroquine-sensitive Plasmodium falciparum and over 10 times more active against chloroquine-resistant P. falciparum. Intra-erythrocytically active anti-malarial quinine acts by binding to haematin, blocking beta-haematin formation (while the anti-malarially inactive epiquinine had no effect on the reaction, however as quinine epiquinine was reported to bind ferriprotoporphyrin IX) and leaving toxic haematin in the parasite food vacuoles. Distinguishing features of the weakly active epiquinine include a higher dipole moment, a different direction of the electric field, a greater intrinsic nucleophilicity, lower acidity of the hydroxyl proton, a lesser electron affinity of the lowest unoccupied molecular orbitals, and a higher proton affinity than the active cinchona alkaloids. Epiquinine has little inhibitory effect toward peroxidative destruction of haem.
Approval Year
Targets
Primary Target | Pharmacology | Condition | Potency |
---|---|---|---|
Target ID: CHEMBL613897 Sources: https://www.ncbi.nlm.nih.gov/pubmed/9336973 |
Conditions
Condition | Modality | Targets | Highest Phase | Product |
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PubMed
Title | Date | PubMed |
---|---|---|
Quinoline anti-malarial drugs inhibit spontaneous formation of beta-haematin (malaria pigment). | 1994 Sep 19 |
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Inhibition of the peroxidative degradation of haem as the basis of action of chloroquine and other quinoline antimalarials. | 1999 Apr 15 |
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Stereoelectronic features of the cinchona alkaloids determine their differential antimalarial activity. | 1999 Sep |
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The crystal structure of halofantrine-ferriprotoporphyrin IX and the mechanism of action of arylmethanol antimalarials. | 2008 Aug |
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Iron(III) protoporphyrin IX complexes of the antimalarial Cinchona alkaloids quinine and quinidine. | 2012 Apr 20 |
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Mutation in the Plasmodium falciparum CRT protein determines the stereospecific activity of antimalarial cinchona alkaloids. | 2012 Oct |
Patents
Substance Class |
Chemical
Created
by
admin
on
Edited
Sat Dec 16 01:23:17 GMT 2023
by
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on
Sat Dec 16 01:23:17 GMT 2023
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Record UNII |
8M01TBM86Z
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Record Status |
Validated (UNII)
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m4946
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8M01TBM86Z
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admin on Sat Dec 16 01:23:17 GMT 2023 , Edited by admin on Sat Dec 16 01:23:17 GMT 2023
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Related Record | Type | Details | ||
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PARENT -> SALT/SOLVATE |