terfenadine   Click here for help

GtoPdb Ligand ID: 2608

Synonyms: RMI-9918 | Seldane® | Triludan®
Approved drug Immunopharmacology Ligand
terfenadine is an approved drug (FDA)
Compound class: Synthetic organic
Comment: Due to adverse effects on cardiac function, terfenadine has largely been superseded by its carboxylic acid metabolite fexofenadine. Terfenadine was completely withdrawn in the US in 1998.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 3
Hydrogen bond donors 2
Rotatable bonds 9
Topological polar surface area 43.7
Molecular weight 471.31
XLogP 7.11
No. Lipinski's rules broken 1
SMILES / InChI / InChIKey
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Canonical SMILES OC(c1ccc(cc1)C(C)(C)C)CCCN1CCC(CC1)C(c1ccccc1)(c1ccccc1)O
Isomeric SMILES OC(c1ccc(cc1)C(C)(C)C)CCCN1CCC(CC1)C(c1ccccc1)(c1ccccc1)O
InChI InChI=1S/C32H41NO2/c1-31(2,3)26-18-16-25(17-19-26)30(34)15-10-22-33-23-20-29(21-24-33)32(35,27-11-6-4-7-12-27)28-13-8-5-9-14-28/h4-9,11-14,16-19,29-30,34-35H,10,15,20-24H2,1-3H3
InChI Key GUGOEEXESWIERI-UHFFFAOYSA-N
Selectivity at GPCRs
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
H1 receptor Primary target of this compound Hs Antagonist Antagonist 7.4 pKi - 1
pKi 7.4 (Ki 4x10-8 M) [1]
Selectivity at ion channels
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
Kv10.1 Hs Channel blocker - 7.8 pIC50 - 2
pIC50 7.8 [2]
Kv11.1 Hs Channel blocker - 7.3 pIC50 - 4
pIC50 7.3 (IC50 5.6x10-8 M) [4]
Selectivity at enzymes
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
CYP2J2 Hs Inhibitor Inhibition 5.1 pIC50 - 3
pIC50 5.1 (IC50 8.1x10-6 M) [3]
Description: Measuring CYP2J2-induced inhibition ebastine hydroxylation.