Abstract
Disubstituted 1,8‐diamidonaphthalene complexes of B and Al were accessed via hydrogen or methane elimination reactions from readily available borane or trimethylaluminum. Trigonal planar borane complexes, HB[1,8‐(NR)C10H6] (R = iPr, 4 and R = Ph, 5), were observed to be air stable, a feature attributed to B–N pπ–pπ bonding and supported by computations. Bimetallic Al complexes, [Al(CH3)2]2[(RN)2C10H6] (R = iPr, 7, R = Ph, 8, or R = iPr/Np, 9), were documented by single‐crystal X‐ray diffraction analyses and display puckered, four‐membered M2N2 rings with a bridging diamidonaphthalene ligand. With R = Ph, a monometallic aluminum complex, MeAl(OEt2)[1,8‐(PhN)2C10H6] (6), was isolated as a diethylether adduct. The structural data suggested that the dialkyl and diaryl are stronger σ‐bonding ligands compared to reported trimethylsilyl analogues.
Published Version
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