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• W1973423312 endingPage "11276" @default.
• W1973423312 startingPage "11264" @default.
• W1973423312 abstract "The treatment of 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene (dpp-bian) with one equivalent of AlCl3 and three equivalents of sodium in toluene at 110 °C produced a stable dialane, (dpp-bian)AlAl(dpp-bian) (1). The reaction of compound 1 with pyridine gave Lewis-acid–base adduct (dpp-bian)(Py)AlAl(Py)(dpp-bian) (2). Acetylene and phenylacetylene reacted with compound 1 to give cycloaddition products [dpp-bian(R1R2)]AlAl[(R2R1)dpp-bian] (3: R1=R2=CH; 4: R1=CH, R2=CPh). These addition reactions occur across Al-N-C moieties and result in the formation of new CC and CAl bonds. At elevated temperatures, compound 4 rearranges into complex 5, which consists of a radical-anionic dpp-bian ligand and two bridging alken-1,2-diyl moieties, (dpp-bian)Al(HCCPh)2Al(dpp-bian). This transformation is accompanied by cleavage of the dpp-bian-ligand–alkyne CC bond, as well as of the AlAl bond. In contrast to its analogous gallium complex, compound 1 is reactive towards internal alkynes. In the reaction of compound 1 with PhCCMe, besides symmetrical addition product [dpp-bian(R1R2)]AlAl[(R2R1)dpp-bian] (R1=CMe, R2=CPh; 6), monoadduct [dpp-bian(R1R2)]AlAl(dpp-bian) (R1=CMe, R2=CPh; 7) was also isolated. Complexes 1–7 were characterized by IR, 1H NMR (1–4), and electronic absorption spectroscopy (3–5); the molecular structures of compounds 1–7 were determined by single-crystal X-ray diffraction." @default.
• W1973423312 created "2016-06-24" @default.
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• W1973423312 date "2012-07-29" @default.
• W1973423312 modified "2023-10-16" @default.
• W1973423312 title "Dialane with a Redox-Active Bis-amido Ligand: Unique Reactivity towards Alkynes" @default.
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• W1973423312 doi "https://doi.org/10.1002/chem.201201364" @default.
• W1973423312 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/22847958" @default.
• W1973423312 hasPublicationYear "2012" @default.
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