Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27474
Title: The first substituted macrocyclic ligand Py2N4S2 containing four naphthylmethylene pendant-armed groups: synthesis and photophysical properties
Authors: García, Verónica 
Aldrey, Anxela 
Castro, Catherine S. De 
Bastida, Rufina 
Macías, Alejandro 
Lodeiro, Carlos 
Melo, J. Sérgio Seixas de 
Núñez, Cristina 
Keywords: Macrocycles; Dinuclear complex; Stability constant; Naphthalene; Pendant-arms; Sensor
Issue Date: Oct-2013
Publisher: Elsevier
Keywords: Macrocycles; Dinuclear complex; Stability constant; Naphthalene; Pendant-arms; Sensor
Issue Date: Oct-2013
Publisher: Elsevier
Citation: GARCÍA, Verónica [et. al] - The first substituted macrocyclic ligand Py2N4S2 containing four naphthylmethylene pendant-armed groups: synthesis and photophysical properties. "Inorganic Chemistry Communications". ISSN 1387-7003. Vol. 36 (2013) p. 22-26
Abstract: The synthesis of a pendant donor emissive macrocyclic ligand Py2N4S2 with up to four naphthylmethylene arms (L) has been achieved. Their derivative solid metal complexes (Co2 +, Ni2 +, Cu2 +, Zn2 +, Cd2 +, Hg2 + and Ag+) have been isolated and characterized. The photophysical properties of the free ligand L and their complexation behaviour have been investigated in solution. In dichloromethane, the free ligand presents two emission bands which are related to the monomer naphthalene emission and a red-shifted band attributable to ground state dimers (interaction between two naphthalene chromophores), which was further validated from time-resolved data, with bi-exponential decay with absence of dynamic components. UV–Vis spectroscopy has revealed a 2:1 binding stoichiometry for Co2 +, Cu2 +, Zn2 +, Hg2 + and Ag+.
URI: http://hdl.handle.net/10316/27474
ISSN: 1387-7003
DOI: 10.1016/j.inoche.2013.07.019
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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