Synthesis of a 5-Carboxy Indole-Based Spiropyran Fluorophore: Thermal, Electrochemical, Photophysical and Bovine Serum Albumin Interaction Investigations

Synthesis of a 5-Carboxy Indole-Based Spiropyran Fluorophore: Thermal, Electrochemical, Photophysical and Bovine Serum Albumin Interaction Investigations

In this study, we synthesized a spiropyran containing an electron-withdrawing carboxyl group in good yield by condensation of an aromatic aldehyde with enamine indole. The spiropyran absorbed at the ultraviolet region with a maximum at approximately 300 nm, demonstrating slight solvatochromism (~3 n...

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Bibliographic Details
Main Authors: Rodrigo da Costa Duarte, Fabiano da Silveira Santos, Bruno Bercini de Araújo, Rodrigo Cercena, Daniela Brondani, Eduardo Zapp, Paulo Fernando Bruno Gonçalves, Fabiano Severo Rodembusch, Alexandre Gonçalves Dal-Bó
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Chemosensors
Subjects:
spiropyran
fluorescence
quenching
optical sensor
Stern–Volmer
Online Access:https://www.mdpi.com/2227-9040/8/2/31

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