PF-07321332   Click here for help

GtoPdb Ligand ID: 11503

Synonyms: Paxlovid® (PF-07321332 + ritonavir)
Compound class: Synthetic organic
Comment: PF-07321332 is an oral antiviral clinical lead. It is a covalent inhibitor of SARS-CoV-2 Mpro (main protease, 3CLpro) that binds to cysteine145 within the enzyme's catalytic domain [1,4]. Due to structural similarities between the Mpro's of other coronavirusus, PF-07321332 offers pan-coronavirus activity. PF-07321332 is structurally similar to ML1000. Prior to peer-reviewed name-to-structure disclosure, we obtained the structure represented here from an online report by Dr Bethany Halford who attended a session by Dafydd Owen (Pfizer) at the ACS Spring 2021 meeting (@beth_halford image on Twitter) which rendered the SMILES string N#C[C@H](C[C@@H]1CCNC1=O)NC(=O)[C@H]1N(C[C@H]2[C@@H]1C2(C)C)C(=O)[C@H](C(C)(C)C)NC(=O)C(F)(F)F. This ACS disclosure was also referenced in [5]. PF-07321332's chemical structure was formally disclosed in Owen et al's Science article in November 2021 [2], and this confirmed the structure that was obtained from the ACS meeting.
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2D Structure
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Physico-chemical Properties
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Hydrogen bond acceptors 9
Hydrogen bond donors 3
Rotatable bonds 11
Topological polar surface area 131.4
Molecular weight 499.24
XLogP 1.39
No. Lipinski's rules broken 0
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Canonical SMILES N#C[C@H](C[C@@H]1CCNC1=O)NC(=O)[C@H]1N(C[C@H]2[C@@H]1C2(C)C)C(=O)[C@H](C(C)(C)C)NC(=O)C(F)(F)F
Isomeric SMILES N#C[C@H](C[C@@H]1CCNC1=O)NC(=O)[C@H]1N(C[C@H]2[C@@H]1C2(C)C)C(=O)[C@H](C(C)(C)C)NC(=O)C(F)(F)F
InChI InChI=1S/C23H32F3N5O4/c1-21(2,3)16(30-20(35)23(24,25)26)19(34)31-10-13-14(22(13,4)5)15(31)18(33)29-12(9-27)8-11-6-7-28-17(11)32/h11-16H,6-8,10H2,1-5H3,(H,28,32)(H,29,33)(H,30,35)/t11-,12-,13-,14-,15-,16+/m0/s1
Classification Click here for help
Compound class Synthetic organic
IUPAC Name Click here for help
Synonyms Click here for help
Paxlovid® (PF-07321332 + ritonavir)
Database Links Click here for help
CAS Registry No. 2628280-40-8 (source: PubChem)
GtoPdb PubChem SID 441604875
PubChem CID 155903259
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