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Conformationally rigid pyrazoloquinazoline α-amino acids: one- and two-photon induced fluorescence

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Abstract

The synthesis and photophysical properties of a new class of α-amino acid bearing a rigid pyrazoloquinazoline chromophore are described. Confromational constraint of the amino acid side-chains resulted in high emission quantum yields, while the demonstration of two-photon-induced fluorescence via near-IR excitation signifies their potential for sensitive bioimaging applications.

Graphical abstract: Conformationally rigid pyrazoloquinazoline α-amino acids: one- and two-photon induced fluorescence

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Article information


Submitted
21 Nov 2019
Accepted
13 Jan 2020
First published
13 Jan 2020

This article is Open Access

Chem. Commun., 2020, Advance Article
Article type
Communication

Conformationally rigid pyrazoloquinazoline α-amino acids: one- and two-photon induced fluorescence

J. D. Bell, A. H. Harkiss, D. Nobis, E. Malcolm, A. Knuhtsen, C. R. Wellaway, A. G. Jamieson, S. W. Magennis and A. Sutherland, Chem. Commun., 2020, Advance Article , DOI: 10.1039/C9CC09064A

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