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Reversible sequestering of CO2 on a multiporous crystalline framework of 2-quinolyl-porphyrin

Authors: Joana de A. e Silva, Valdemar F. Domingos, Daniela Marto, Leticia D. Costa, Mariana Marcos, Manuela R. Silva, João M. Gil, Abilio J. F. N. Sobral

Ref.: Tetrahedron Letters 54, 2449-2451 (2013)

Abstract: n this Letter we describe the synthesis and characterization of a new multiparous crystalline framework based on meso-tetra-(2-quinolyl)-porphyrin, that presents crystal channels adequate for CO2 reversible sequestering, from 1 to 5 bar of CO2 pressures. This behaviour is very different from the parent meso-tetraphenyl-porphyrin, which points to an important favourable interaction of CO2 with mesa-substituted nitrogen aromatic porphyrin free bases. (C) 2013 Elsevier Ltd. All rights reserved.

DOI: 10.1016/j.tetlet.2013.02.071