Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/4920
Título: A fluorescente bicyclic Calix[4] Arene-Oxacyclophane with planar chirality: Resolution, chiroptical, properties, and absolute configuration.
Autor: Prata, José Virgílio Coelho
Costa, Alexandra Isabel Paulo
Pescitelli, Gennaro
Teixeira, Carlos M.
Palavras-chave: Ray Molecular-Structures
Calixarenes
Data: 15-Abr-2014
Editora: Pergamon-Elsevier Science LTD
Citação: PRATA, José Virgílio Coelho; [et al] – A fluorescente bicyclic Calix[4] Arene-Oxacyclophane with planar chirality: Resolution, chiroptical, properties, and absolute configuration. Tetrahedron-Asymmetry. ISSN: 0957-4166. Vol. 25, nr. 6-7 (2014), pp. 547-553
Resumo: A new inherently chiral calix[4]arene ICC 1 has been disclosed. The dissymmetry of 1 is generated from a chirality plane in the quinol moiety of a 1,3-bridged bicyclic calix[4]arene. ICC 1 has been resolved by enantioselective HPLC, and the chiroptical properties of both isolated antipodes (pS)-1 and (pR)-1 confirm their enantiomeric nature. The absolute configuration of the (pS)-1/(pR)-1 enantiomeric pair was established through time-dependent density functional theory (TDDFT) calculations of electronic circular dichroism (CD) spectra. (C) 2014 Elsevier Ltd. All rights reserved.
Peer review: yes
URI: http://hdl.handle.net/10400.21/4920
DOI: 10.1016/j.tetasy.2014.02.012
ISSN: 0957-4166
Versão do Editor: http://www.sciencedirect.com/science/article/pii/S0957416614000925#
Aparece nas colecções:ISEL - Eng. Quim. Biol. - Artigos

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