Induction of chirality in porphyrin–(bis)calixarene assemblies: a mixed covalent–non-covalent vs a fully non-covalent approach

Alessandro D'Urso; Pietro Francesco Nicotra; Giovanni Centonze; Maria Elena Fragalà; Giuseppe Gattuso; Anna Notti; Andrea Pappalardo; Sebastiano Pappalardo; Melchiorre F. Parisi; Roberto Purrello

doi:10.1039/C2CC30366C

Induction of chirality in porphyrin–(bis)calixarene assemblies: a mixed covalent–non-covalent vs a fully non-covalent approach†

Alessandro D'Urso,^a Pietro Francesco Nicotra,^a Giovanni Centonze,^a Maria Elena Fragalà,^a Giuseppe Gattuso,^b Anna Notti,^b Andrea Pappalardo,^a Sebastiano Pappalardo,*^a Melchiorre F. Parisi*^b and Roberto Purrello*^a

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^a Dipartimento di Scienze Chimiche, Università di Catania, Viale A. Doria 6, 95125 Catania, Italy
E-mail: rpurrello@unict.it, spappalardo@unict.it
Fax: +39 095 580138
Tel: +39 095 7385095

^b Dipartimento di Chimica Organica e Biologica, Università di Messina, Viale F. Stagno d'Alcontres 31, 98166 Messina, Italy
E-mail: mparisi@unime.it
Fax: +39 090 393895
Tel: +39 090 6765170

Abstract

CD and UV-vis measurements were carried out to demonstrate chirality induction—promoted by chiral covalently linked groups and non-covalently bound Δ- and Λ-[Ru(phen)₃]²⁺ enantiomers—in metallo-porphyrin–calixarene and metallo-porphyrin–bis-calixarene non-covalent assemblies, respectively.

This article is part of the themed collection: Chirality

Chemical Communications

Induction of chirality in porphyrin–(bis)calixarene assemblies: a mixed covalent–non-covalent vs a fully non-covalent approach†

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Induction of chirality in porphyrin–(bis)calixarene assemblies: a mixed covalent–non-covalent vs a fully non-covalent approach

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