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Investigating 3,3-Diaryloxetanes as Potential Bioisosteres in Drug Discovery

preprint
submitted on 20.04.2021, 12:08 and posted on 21.04.2021, 07:37 by Maryne A. J. Dubois, Rosemary Croft, Yujie Ding, Chulho Choi, Dafydd R. Owen, James Bull, James J. Mousseau

Oxetanes have received increasing interest in medicinal chemistry as attractive polar and low molecular weight motifs. The application of oxetanes as replacements for methylene, methyl, gem-dimethyl and carbonyl groups has been demonstrated to often improve chemical properties of target molecules for drug discovery purposes. The investigation of the properties of 3,3-diaryloxetanes, particularly of interest as a benzophenone replacement, remains largely unexplored. With recent synthetic advances in accessing this motif we studied the effects of 3,3-diaryloxetanes on the physicochemical properties of ‘drug-like’ molecules. Here, we describe our efforts in the design and synthesis of a range of drug-like compounds for matched molecular pair analysis to investigate the viability of the 3,3-diaryloxetane motif as a replacement group in drug discovery. We conclude that the properties of the diaryloxetanes and ketones are similar, and generally superior to related alkyl linkers, and that diaryloxetanes provide a potentially useful new design element.

Funding

The Royal Society

Imperial College London

Pfizer

History

Email Address of Submitting Author

j.bull@imperial.ac.uk

Institution

Imperial College London

Country

UK

ORCID For Submitting Author

0000-0003-3993-5818

Declaration of Conflict of Interest

No conflict of interest

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