Activation of Dihydrogen by Masked Doubly Bonded Aluminum Species. (16th August 2016)

• Record Type: Journal Article
• Authors: Nagata, Koichi; Murosaki, Takahiro; Agou, Tomohiro; Sasamori, Takahiro; Matsuo, Tsukasa; Tokitoh, Norihiro
• Is Part Of: Angewandte Chemie. Volume 128:Number 41(2016)
• Page Start: 13069
• Page End: 13072
• Publication Date: 2016-08-16
• Subjects: Aluminium -- Aluminiumhydrid -- Dialumene -- Wasserstoff -- Wasserstoffaktivierung; Chemistry -- Periodicals; 540
• DOI: 10.1002/ange.201606684
• Languages: English
• ISSNs: 0044-8249

Abstract

Abstract: Activation of dihydrogen by masked dialumenes (Al=Al doubly bonded species) is reported. Reactions of barrelene‐type dialumanes, which have the reactivity as masked equivalents of 1, 2‐diaryldialumenes ArAl=AlAr, with H2 afforded dihydroalumanes ArAlH2 at room temperature (Ar: bulky aryl groups). These dihydroalumanes form hydrogen‐bridged dimers [ArHAl(μ‐H)]2 in the crystalline state, while a monomer–dimer equilibrium was suggested in solution. The 1, 2‐diaryldialumenes generated from the barrelene‐type dialumanes are the putative active species in the cleavage of H2 .