Abstract:This work discloses an unprecedented dynamic ion-pairing behaviour of “naked” aluminyl anions related to their stability and reactivity in solution. Rapid exchange between contacted and charge-separated species of the aluminyl anion [(BDI’)Al(I)]– (BDI’ = H2C=C(NAr)-C(H)=C(Me)-NAr; Ar = 2,6-iPr2C6H3) occurs in solution with [M(L)]+ counterions (M = Cs, K). While the two-dimensional polyether 18-crown-6 (L) favours the formation of persistent contacted species, the three-dimensional 2.2.2-cryptand ligand allows… Show more
“…The delocalised free β-diketiminate unit can form various isomers (E/Z) that are accessible within a low range of energies. 20 Ligand backbone units that allow wider electronic delocalisation, e.g., those with aryl groups, can induce some non-innocent ligand behaviour and are prone to reduction to a radical dianionic ligand unit in some instances. 1,4,5 Overall, it is surprising that only few studies have placed more emphasis on the ligand backbone substitution.…”
We report the extension of the common β-diketimine proligand class, RArnacnacH (HC(RCNAr)2H), where R is an alkyl group such as Et or iPr, plus Ph, and Ar is a sterically...
“…The delocalised free β-diketiminate unit can form various isomers (E/Z) that are accessible within a low range of energies. 20 Ligand backbone units that allow wider electronic delocalisation, e.g., those with aryl groups, can induce some non-innocent ligand behaviour and are prone to reduction to a radical dianionic ligand unit in some instances. 1,4,5 Overall, it is surprising that only few studies have placed more emphasis on the ligand backbone substitution.…”
We report the extension of the common β-diketimine proligand class, RArnacnacH (HC(RCNAr)2H), where R is an alkyl group such as Et or iPr, plus Ph, and Ar is a sterically...
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.