Aluminum–Ligand Cooperative N–H Bond Activation and an Example of Dehydrogenative Coupling

Activation of N–H bonds by a molecular aluminum complex via metal–ligand cooperation is described. (PhI2P2–)AlH (1b), in which PhI2P2– is a tridentate bis(imino)pyridine ligand, reacts with anilines to give the N–H-activated products (PhHI2P–)AlH(NHAr) (2). When heated, 2 releases H2 and affords (Ph...

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Bibliographic Details
Published in:Journal of the American Chemical Society 2013-07, Vol.135 (27), p.9988-9990
Main Authors: Myers, Thomas W, Berben, Louise A
Format: Article
Language:English
Subjects:
Aluminum - chemistry
Benzylamines - chemistry
Catalysis
Hydrogenation
Imines - chemical synthesis
Imines - chemistry
Ligands
Models, Molecular
Molecular Conformation
Organometallic Compounds - chemistry
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Summary:Activation of N–H bonds by a molecular aluminum complex via metal–ligand cooperation is described. (PhI2P2–)AlH (1b), in which PhI2P2– is a tridentate bis(imino)pyridine ligand, reacts with anilines to give the N–H-activated products (PhHI2P–)AlH(NHAr) (2). When heated, 2 releases H2 and affords (PhI2P–)Al(NHAr) (3). Complex 1b catalyzes the dehydrogenative coupling of benzylamine to afford H2, NH3, and N-(phenylmethylene)benzenemethanamine.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja4032874