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|title: ||A lamellar coordination polymer with remarkable catalytic activity|
|authors: ||Mendes, Ricardo F.|
Antunes, Margarida M.
Valente, Anabela A.
Paz, Filipe A. Almeida
|issue date: ||Sep-2016|
|abstract: ||A positively charged lamellar coordination polymer
based on a flexible triphosphonic acid linker is reported.
[Gd(H4nmp)(H2O)2]Cl·2H2O (1) [H6nmp=nitrilotris(methylenephosphonic
acid)] was obtained by a one-pot approach by
using water as a green solvent and by forcing the inclusion
of additional acid sites by employing HCl in the synthesis.
Compound 1 acts as a versatile heterogeneous acid catalyst
with outstanding activity in organic reactions such as alcoholysis
of styrene oxide, acetalization of benzaldehyde and
cyclohexanaldehyde and ketalization of cyclohexanone. For
all reaction systems, very high conversions were reached
(92–97%) in only 15–30 min under mild conditions (35 8C, atmospheric
pressure). The coordination polymer exhibits
a protonic conductivity of 1.23Õ10¢5 Scm¢1 at 98% relative
humidity and 408C.|
|publisher version/DOI: ||http://dx.doi.org/10.1002/chem.201602157|
|source: ||Chemistry - A European Journal|
|appears in collections||CICECO - Artigos|
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