loxapine   Click here for help

GtoPdb Ligand ID: 205

Synonyms: Adasuve® | CL-62362 | CL-71563 | Loxapac® | Loxitane® | SUM-3170
Approved drug
loxapine is an approved drug (FDA (1975), EMA (2013))
Compound class: Synthetic organic
Comment: Loxapine is a dibenzoxazepine class typical antipsychotic drug.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 3
Hydrogen bond donors 0
Rotatable bonds 1
Topological polar surface area 28.07
Molecular weight 327.11
XLogP 3.75
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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Canonical SMILES CN1CCN(CC1)C1=Nc2ccccc2Oc2c1cc(Cl)cc2
Isomeric SMILES CN1CCN(CC1)C1=Nc2ccccc2Oc2c1cc(Cl)cc2
InChI InChI=1S/C18H18ClN3O/c1-21-8-10-22(11-9-21)18-14-12-13(19)6-7-16(14)23-17-5-3-2-4-15(17)20-18/h2-7,12H,8-11H2,1H3
InChI Key XJGVXQDUIWGIRW-UHFFFAOYSA-N
Selectivity at GPCRs
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
H1 receptor Hs Antagonist Antagonist 8.2 pKi - 4
pKi 8.2 [4]
D2 receptor Primary target of this compound Hs Antagonist Antagonist 7.9 – 8.3 pKi - 4,9
pKi 7.9 – 8.3 (Ki 1.2x10-8 – 5x10-9 M) [4,9]
D4 receptor Primary target of this compound Hs Antagonist Antagonist 8.1 pKi - 9
pKi 8.1 (Ki 7.8x10-9 M) [9]
5-HT2A receptor Primary target of this compound Hs Antagonist Inverse agonist 8.1 pKi - 4
pKi 8.1 [4]
5-HT2C receptor Primary target of this compound Hs Antagonist Inverse agonist 7.8 – 8.0 pKi - 2,4
pKi 7.8 – 8.0 [2,4]
D3 receptor Primary target of this compound Hs Antagonist Antagonist 7.7 pKi - 8
pKi 7.7 (Ki 2.1x10-8 M) [8]
5-HT6 receptor Hs Antagonist Inverse agonist 7.4 – 7.6 pKi - 3,6
pKi 7.4 – 7.6 [3,6]
5-HT6 receptor Rn Antagonist Inverse agonist 7.2 – 7.8 pKi - 5,7
pKi 7.2 – 7.8 [5,7]
5-HT7 receptor Rn Antagonist Antagonist 6.8 – 7.4 pKi - 7,10
pKi 6.8 – 7.4 [7,10]
Selectivity at ion channels
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
KNa1.1 Hs Activator Agonist 5.4 pEC50 - 1
pEC50 5.4 (EC50 4.4x10-6 M) [1]