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Cited by 285

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Quantifying the chameleonic properties of macrocycles and other high-molecular-weight drugs

Open access
Whitty, Adrian, Zhong, Mengqi, Viarengo, Lauren, Beglov, Dmitri, Hall, David R., Vajda, Sandor·2016·Drug Discovery Today

Abstract

Key to the pharmaceutical utility of certain macrocyclic drugs is a “chameleonic” ability to change their conformation to expose polar groups in aqueous solution, but bury them when traversing lipid membranes. Based on analysis of the structures of 20 macrocyclic compounds that are approved oral drugs, we propose that good solubility requires a topological polar surface area (TPSA, in Å2) of ≥0.2 × MW. Meanwhile, good passive membrane permeability requires a molecular (i.e. 3D) PSA in nonpolar environments of ≤140 Å2. We show that one or other of these limits is almost invariably violated for compounds with MW > 600 Da., suggesting that some degree of chameleonic behavior is required for most high MW oral drugs.

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Metadata

Authors
Whitty, A., Zhong, M., Viarengo, L., Beglov, D., Hall, D. R., & Vajda, S.
Venue
Drug Discovery Today
Publisher
Elsevier BV
Published
2016-05
Volume
21
Issue
5
Pages
712-717
ISSN
1359-6446 (ISSN-L)
OpenAlex
W2279263454
Cited by
285
References
26
FWCI
11.68
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Quantifying the chameleonic properties of macrocycles and other high-molecular-weight drugs. https://app.cochat.ai/papers/10.1016/j.drudis.2016.02.005
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Whitty, A., Zhong, M., Viarengo, L., Beglov, D., Hall, D. R., & Vajda, S. (2016). Quantifying the chameleonic properties of macrocycles and other high-molecular-weight drugs. Drug Discovery Today. https://doi.org/10.1016/j.drudis.2016.02.005

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