compound 9 [PMID: 26006010]   

GtoPdb Ligand ID: 9761

Compound class: Synthetic organic
Comment: Compound 9 [PMID: 26006010] is a reversible BTK inhibitor that was designed to have a long target residency time with a resulting increase in the duration of in vivo target engagement, and with the overall aim of improving in vivo drug efficacy [1]. Compound 9 has a cysteine-reactive, inverted cyanoacrylamide scaffold structure that interacts with Cys481, a residue that lies outwith the catalytic domain of the enzyme but close to the ATP pocket (and is also a target of the irreversible inhibitor ibrutinib). It has good aqueous solubility and is orally bioavailable. Compound 9 may be PRN473 as described in [3], but PRN473's structure has not been formally disclosed.
2D Structure
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Physico-chemical Properties
Hydrogen bond acceptors 9
Hydrogen bond donors 1
Rotatable bonds 10
Topological polar surface area 135.42
Molecular weight 610.28
XLogP 4.03
No. Lipinski's rules broken 0
Canonical SMILES N#CC(=CC(N(C1COC1)C)(C)C)C(=O)N1CCCC1Cn1nc(c2c1ncnc2N)c1ccc(cc1F)Oc1ccccc1
Isomeric SMILES N#C/C(=C\C(N(C1COC1)C)(C)C)/C(=O)N1CCC[C@H]1Cn1nc(c2c1ncnc2N)c1ccc(cc1F)Oc1ccccc1
InChI InChI=1S/C33H35FN8O3/c1-33(2,40(3)23-18-44-19-23)15-21(16-35)32(43)41-13-7-8-22(41)17-42-31-28(30(36)37-20-38-31)29(39-42)26-12-11-25(14-27(26)34)45-24-9-5-4-6-10-24/h4-6,9-12,14-15,20,22-23H,7-8,13,17-19H2,1-3H3,(H2,36,37,38)/b21-15+/t22-/m0/s1
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Molecular structure representations generated using Open Babel