Synthesis and photophysical studies of a chlorin sterically designed to prevent self-aggregation

FF de Assis, JM de Souza, BHK Assis, TJ Brocksom…

Index: De Assis, Francisco F.; De Souza, Juliana M.; Assis, Beatriz H.K.; Brocksom, Timothy J.; De Oliveira, Kleber T. Dyes and Pigments, 2013 , vol. 98, # 1 p. 153 - 159

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Citation Number: 14

Abstract

Synthesis and photophysical evaluations of a new non-aggregating chlorin derivative are described. A β-octa (carboxyethyl) porphyrin 3 was synthesized in 2 steps starting from pyrrole-3, 4-dicarboxylic acid diethyl ester (2). The new chlorin derivative 6 was obtained through a 1, 3-dipolar cycloaddition using benzyl azomethine ylide. Chlorin 6 presents a molecular scaffold in an “L” shape avoiding aggregation in solutions at 1–27 mM. ...