Issue 85, 2019
From the journal:

Chemical Communications

High affinity threading of a new tetralactam macrocycle in water by fluorescent deep-red and near-infrared squaraine dyes†

Janel M. Dempsey, ORCID logo a   Canjia Zhai,a   Hannah H. McGarraugh, ORCID logo a   Cynthia L. Schreiber,a   Shannon E. Stoffel,a   Andrew Johnsonb  and  Bradley D. Smith ORCID logo *a  

* Corresponding authors

a Department of Chemistry and Biochemistry, University of Notre Dame, 236 Nieuwland Science Hall, Notre Dame, IN 46556, USA
E-mail: smith.115@nd.edu

b Division of Science, Lindsey Wilson College, 317 Fugitte Science Center, Columbia, KY 42728, USA

Abstract

A new tetralactam macrocycle was prepared and found to encapsulate deep-red and near-infrared squaraine and croconaine dyes in water with tunable threading kinetics. The new supramolecular paradigm of guest back-folding was used to increase macrocycle/squaraine affinity by 370-fold and achieve an association constant of 2.8 × 109 M−1.

Graphical abstract: High affinity threading of a new tetralactam macrocycle in water by fluorescent deep-red and near-infrared squaraine dyes

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Article information

DOI
https://doi.org/10.1039/C9CC05244E
Article type
Communication
Submitted
08 Maw 2019
Accepted
20 Ndz 2019
First published
08 Nhl 2019

Chem. Commun., 2019,55, 12793-12796

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High affinity threading of a new tetralactam macrocycle in water by fluorescent deep-red and near-infrared squaraine dyes

J. M. Dempsey, C. Zhai, H. H. McGarraugh, C. L. Schreiber, S. E. Stoffel, A. Johnson and B. D. Smith, Chem. Commun., 2019, 55, 12793 DOI: 10.1039/C9CC05244E

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