The boroxine-linked organic aluminum compound LAl[OB(3-C4H3O)]2(μ-O) was accomplished by reacting LAl H2 {L =(Z)-4-[(2,6-diisopropylphenyl)amino]pent-3-en-2-ylidene-2,6-diisopropylaniline} with furan-3-ylboronic acid in good yield.The title compound belongs to the orthorhombic system,space group Pnma with a = 10.9774(15),b = 19.369(3),c = 17.362(3) ?,V = 3691.5(9) ?3,C37H47 Al B2N2O5,Mr = 648.37,Z = 4,Dc = 1.167 Mg/m3,μ(Mo Kα) = 0.097 mm–1,F(000) = 1384,S = 1.000,the final R = 0.0589 and w R = 0.1445 for 9138 observed reflections(I > 2σ(I)) and R = 0.0683 and w R = 0.1517 for all data.This compound is an unique example of a spiro-centered aluminum atom,showing the inorganic Al O3B2 ring fused to the organic C3N2 part.It was characterized by 1H NMR,IR,elemental analysis,and single-crystal X-ray structural analysis.Furthermore,the compound was studied by TG analysis as well as DSC.
