SB-674042   Click here for help

GtoPdb Ligand ID: 9136

Synonyms: SB 674042 | SB674042
PDB Ligand
Compound class: Synthetic organic
Comment: SB-674042 is a non-peptide antagonist selective for the OX1 orexin receptor [1]. See [3H]SB-674042 for further ligand binding characteristics.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 5
Hydrogen bond donors 0
Rotatable bonds 6
Topological polar surface area 100.36
Molecular weight 448.14
XLogP 5.34
No. Lipinski's rules broken 1
SMILES / InChI / InChIKey
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Canonical SMILES Cc1sc(c(n1)C(=O)N1CCCC1Cc1nnc(o1)c1ccccc1)c1ccccc1F
Isomeric SMILES Cc1sc(c(n1)C(=O)N1CCC[C@H]1Cc1nnc(o1)c1ccccc1)c1ccccc1F
InChI InChI=1S/C24H21FN4O2S/c1-15-26-21(22(32-15)18-11-5-6-12-19(18)25)24(30)29-13-7-10-17(29)14-20-27-28-23(31-20)16-8-3-2-4-9-16/h2-6,8-9,11-12,17H,7,10,13-14H2,1H3/t17-/m0/s1
InChI Key HYBZWVLPALMACV-KRWDZBQOSA-N
Bioactivity Comments
A selectivity ratio of 120 for OX1 over OX2 was determined in [1], whereas a selectivity ratio of 70 was determined in a separate study [3].
Selectivity at GPCRs
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Target Sp. Type Action Value Parameter Concentration range (M) Reference
OX2 receptor Hs Antagonist Antagonist 6.9 pKB - 2
pKB 6.9 [2]
OX1 receptor Primary target of this compound Hs Antagonist Antagonist 8.7 – 9.3 pKi - 1,3
pKi 8.7 – 9.3 (Ki 1.99x10-9 – 7.9x10-10 M) 70–120-fold selective pro-OX1 [1,3]
OX2 receptor Hs Antagonist Antagonist 6.5 – 6.9 pKi - 1-2
pKi 6.9 (Ki 1.29x10-7 M) [1]
pKi 6.5 [2]