Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/7070
Título: Sulfonated schiff base dimeric and polymeric copper(II) complexes: temperature dependent synthesis, crystal structure and catalytic alcohol oxidation studies
Autor: Martins, Luísa Margarida D. R. S.
Hazra, Susanta
Silva, M. Fátima C. Guedes
Pombeiro, Armando J.I.
Palavras-chave: Sulfonated Schiff base
Temperature dependent synthesis
Alcohol oxidation
Data: 2017
Editora: Elsevier
Citação: HAZRA, Susanta [et al] -Sulfonated Schiff base dimeric and polymeric copper(II) complexes: Temperature dependent synthesis, crystal structure and catalytic alcohol oxidation studies. Inorganica Chimica Acta. ISSN: 0020-1693. Vol. 455, (2017), pp.549-556.
Resumo: Temperature dependent synthesis and crystal structure of the dicopper(II) complex [Cu2(L-jONO0 )2(l- 4,40 -bipy)(DMF)2] (1) and the dicopper(II) based coordination polymer [Cu2(l-L-1jONO0 :2jO)2(l-4, 40 -bipy)]nnH2OnDMF (2) derived from the acyclic Schiff base 2-[(2-hydroxy-3-methoxyphenyl)methylideneamino]benzenesulfonic acid (H2L) are described. Compounds 1 and 2 crystallize in monoclinic P21/n and P21/c systems, respectively. Crystal structure analysis reveals that the coordination polymer 2 consists of a dimeric building block which is comparable to the basic structure of 1. The compounds are isolated from the same reaction mixture but at different reaction temperatures and 1 can be converted into the coordination polymer 2. They were tested as catalysts for (both primary and secondary) alcohols oxidation. They show good catalytic activity for the solvent- and additive-free microwave (MW) assisted peroxidative (with tert-butylhydroperoxide) oxidation of cyclohexanol (up to 85% yield of cyclohexanone) after 30 min of low power MW irradiation. 2
Peer review: yes
URI: http://hdl.handle.net/10400.21/7070
DOI: 10.1016/j.ica.2016.05.052
ISSN: ISSN: 0020-1693
Versão do Editor: http://ac.els-cdn.com/S0020169316303073/1-s2.0-S0020169316303073-main.pdf?_tid=3468d188-3b12-11e7-99cb-00000aacb360&acdnat=1495033683_bbd8264b4a630bbeaec191825d727657
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