Synthesis and photophysical properties of dansyl-based polyamine ligands and their Zn(II) complexes

A.  Jorge Parola; João Carlos Lima; Fernando Pina; João Pina; João Seixas Melo; Concepción Soriano; Enrique García-España; Ricardo Aucejo; Javier Alarcón

doi:10.1016/j.ica.2006.11.006

Synthesis and photophysical properties of dansyl-based polyamine ligands and their Zn(II) complexes

A. Jorge Parola, João Carlos Lima, Fernando Pina, João Pina, João Seixas Melo, Concepción Soriano, Enrique García-España, Ricardo Aucejo, Javier Alarcón

Research output: Contribution to journal › Article › peer-review

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Abstract

The synthesis, potentiometric studies and photophysical properties of two new polyamine ligands (L1 and L2) possessing the dansyl chromophore were studied in aqueous 0.15 M NaCl. The compounds show the absorption and emissions bands characteristic of the dansylamide fluorophore and both present intramolecular excited state proton transfer at intermediate pH ranges. One of the ligands (L2) strongly coordinates Zn(II) leading to fluorescence quenching. A model compound (L3) of the dansyl moiety was also investigated. (c) 2006 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	1200-1208
Number of pages	9
Journal	Inorganica Chimica Acta
Volume	360
Issue number	3
DOIs	https://doi.org/10.1016/j.ica.2006.11.006
Publication status	Published - 15 Feb 2007

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10.1016/j.ica.2006.11.006

Cite this

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title = "Synthesis and photophysical properties of dansyl-based polyamine ligands and their Zn(II) complexes",

abstract = "The synthesis, potentiometric studies and photophysical properties of two new polyamine ligands (L1 and L2) possessing the dansyl chromophore were studied in aqueous 0.15 M NaCl. The compounds show the absorption and emissions bands characteristic of the dansylamide fluorophore and both present intramolecular excited state proton transfer at intermediate pH ranges. One of the ligands (L2) strongly coordinates Zn(II) leading to fluorescence quenching. A model compound (L3) of the dansyl moiety was also investigated. (c) 2006 Elsevier B.V. All rights reserved.",

author = "Parola, {A. Jorge} and Lima, {Jo{\~a}o Carlos} and Fernando Pina and Jo{\~a}o Pina and Melo, {Jo{\~a}o Seixas} and Concepci{\'o}n Soriano and Enrique Garc{\'i}a-Espa{\~n}a and Ricardo Aucejo and Javier Alarc{\'o}n",

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doi = "10.1016/j.ica.2006.11.006",

language = "English",

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T1 - Synthesis and photophysical properties of dansyl-based polyamine ligands and their Zn(II) complexes

AU - Parola, A. Jorge

AU - Lima, João Carlos

AU - Pina, Fernando

AU - Pina, João

AU - Melo, João Seixas

AU - Soriano, Concepción

AU - García-España, Enrique

AU - Aucejo, Ricardo

AU - Alarcón, Javier

PY - 2007/2/15

Y1 - 2007/2/15

N2 - The synthesis, potentiometric studies and photophysical properties of two new polyamine ligands (L1 and L2) possessing the dansyl chromophore were studied in aqueous 0.15 M NaCl. The compounds show the absorption and emissions bands characteristic of the dansylamide fluorophore and both present intramolecular excited state proton transfer at intermediate pH ranges. One of the ligands (L2) strongly coordinates Zn(II) leading to fluorescence quenching. A model compound (L3) of the dansyl moiety was also investigated. (c) 2006 Elsevier B.V. All rights reserved.

AB - The synthesis, potentiometric studies and photophysical properties of two new polyamine ligands (L1 and L2) possessing the dansyl chromophore were studied in aqueous 0.15 M NaCl. The compounds show the absorption and emissions bands characteristic of the dansylamide fluorophore and both present intramolecular excited state proton transfer at intermediate pH ranges. One of the ligands (L2) strongly coordinates Zn(II) leading to fluorescence quenching. A model compound (L3) of the dansyl moiety was also investigated. (c) 2006 Elsevier B.V. All rights reserved.

U2 - 10.1016/j.ica.2006.11.006

DO - 10.1016/j.ica.2006.11.006

M3 - Article

SN - 0020-1693

VL - 360

SP - 1200

EP - 1208

JO - Inorganica Chimica Acta

JF - Inorganica Chimica Acta

IS - 3

ER -