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This indicates that the CN groups are not involved in the aggregation\/deaggregation processes of1in noncoordinating solvents."},{"key":"ref17\/cit17b","doi-asserted-by":"crossref","first-page":"541","DOI":"10.1021\/cm950426q","volume":"8","author":"Lacroix P. G.","year":"1996","journal-title":"Chem. Mater."},{"key":"ref18\/cit18a","unstructured":"aUnfortunately, the relatively low solubility of1(\u2264 1.0 \u00d7 10\u22124M) in mesitylene or toluene solutions, together with a concomitant slightly demetalation(18b)under these conditions, precluded reliable1H NMR measurements in these deuterated solvents. To improve the solubility in nonpolar solvents, the synthesis of the related 4-(hexadecyloxy) derivative,2, was accomplished (see theSupporting Informationfor details). Compound2, possessing an almost identical, as to1, optical behavior on switching from noncoordinating to coordinating solvents (Supporting Information, Figure S17), is still insufficiently soluble in nonpolar solvents to achieve accurate1H NMR data."},{"key":"ref18\/cit18b","doi-asserted-by":"crossref","first-page":"3311","DOI":"10.1021\/ol801167r","volume":"10","author":"Wezenberg S. J.","year":"2008","journal-title":"Org. 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