Synthesis of Organic Photodimeric Cage Molecules Based on Cycloaddition via Metal−Ligand Directed Assembly

Department of Chemistry, University of South Florida, Tampa, Florida 33620, USA.
Journal of the American Chemical Society (Impact Factor: 12.11). 06/2007; 129(18):5820-1. DOI: 10.1021/ja070924n
Source: PubMed


Metal-ligand directed assembly of copper(II) ions and chelidonate (CDO) ligands into a metal-organic assembly has resulted in the proper orientation and positioning of CDO ligands for [2 + 2] photodimerization in the solid state. Upon exposure to ultraviolet light, pairs of adjacent CDO ligands photoreact via single-crystal-to-single-crystal cycloaddition to form novel cage dimers within the metal-organic assembly, which can be isolated successively as the organic sodium salt.

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