Preparation of Aluminum Hydrides with Chelating Anilido‐Imine Ligands by Addition of an Al–H Bond to a C=N Bond

Wang, Weiwei; Yang, Zhi; Ma, Xiaoli; Roesky, Herbert W.; Ju, Yingxin; Hao, Pengfei

doi:10.1002/zaac.201400592

Cited by 5 publications

(2 citation statements)

References 40 publications

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“…The obtained crystal belongs to the monoclinic system, the P 2 1 / c space group. The lengths of the Al−N bond and the C(H 2 )−N bond in the compound are, respectively, consistent with the corresponding bond lengths in the previously reported compound [ o ‐C 6 H 4 F(CH 2 N‐ Dipp)]AlH 2 (NMe 3 ) . The sum of the bond angles around the Al center is 345.2°, indicating a quasi‐tetrahedral configuration.…”

Section: Resultssupporting

confidence: 88%

Organoaluminum Compounds as Catalysts for Monohydroboration of Carbodiimides

Shen

et al. 2019

Chemistry A European J

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The effective catalytic activity of organoaluminum compounds for the monohydroboration of carbodiimides has been demonstrated. Two aluminum complexes, 2 and 3, were synthesized and characterized. The efficient catalytic performances of four aluminum hydride complexes L1AlH2 (L1=HC(CMeNAr)2, Ar=2,6‐Et2C6H3; 1), L2AlH2(NMe3) (L2=o‐C6H4F(CH=N‐Ar), Ar=2,6‐Et2C6H3; 2), L3AlH (L3=2,6‐bis(1‐methylethyl)‐N‐(2‐pyridinylmethylene)phenylamine; 3), and L4AlH(NMe3) (L4=o‐C6H4(N‐Dipp)(CH=N‐Dipp), Dipp=2,6‐iPr2C6H3; 4), and an aluminum alkyl complex L1AlMe2 (5) were used for the monohydroboration of carbodiimides investigated under solvent‐free and mild conditions. Compounds 1–3 and 5 can produce monohydroborated N‐borylformamidine, whereas 4 can afford the C‐borylformamidine product. A suggested mechanism of this reaction was explored, and the aluminum formamidinate compound 6 was characterized by single‐crystal X‐ray, also a stoichiometric reaction was investigated.

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Section: Resultssupporting

confidence: 88%

Organoaluminum Compounds as Catalysts for Monohydroboration of Carbodiimides

Shen

et al. 2019

Chemistry A European J

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“…As with carbon-supported aluminum hydride systems, a common reactivity pathway is the hydroalumination of organic π-bonds. Given the plethora of new N -donor aluminum hydride systems reported in the past two decades, ,− this section will aim to focus on the new bonding motifs and reactivity pathways uncovered in this area.…”

Section: Molecular Hydrides Of Group 13 Metals (Aluminum Gallium Indi...mentioning

confidence: 99%

Molecular Main Group Metal Hydrides

et al. 2021

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This review serves to document advances in the synthesis, versatile bonding, and reactivity of molecular main group metal hydrides within Groups 1, 2, and 12−16. Particular attention will be given to the emerging use of said hydrides in the rapidly expanding field of Main Group element-mediated catalysis. While this review is comprehensive in nature, focus will be given to research appearing in the open literature since 2001.

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Addition Reactions of Me₃SiCN with Aldehydes Catalyzed by Aluminum Complexes Containing in their Coordination Sphere O, S, and N Ligands

Yang

Zhong

et al. 2016

Chemistry A European J

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The reaction of one equivalent of LAlH2 (1; L=HC(CMeNAr)2 , Ar=2,6-iPr2 C6 H3 , β-diketiminate ligand) with two equivalents of 2-mercapto-4,6-dimethylpyrimidine hydrate resulted in LAl[(μ-S)(m-C4 N2 H)(CH2 )2 ]2 (2) in good yield. Similarly, when N-2-pyridylsalicylideneamine, N-(2,6-diisopropylphenyl)salicylaldimine, and ethyl 3-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxylate were used as starting materials, the corresponding products LAl[(μ-O)(o-C6 H4 )CN(C5 NH4 )]2 (3), LAlH[(μ-O)(o-C4 H4 )CN(2,6-iPr2 C6 H3 )] (4), and LAl[(μ-NH)(o-C8 SH8 )(COOC2 H5 )]2 (5) were isolated. Compounds 2-5 were characterized by (1) H and (13) C NMR spectroscopy as well as by single-crystal X-ray structural analysis. Surprisingly, compounds 2-5 exhibit good catalytic activity in addition reactions of aldehydes with trimethylsilyl cyanide (TMSCN).

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Preparation of Aluminum Hydrides with Chelating Anilido‐Imine Ligands by Addition of an Al–H Bond to a C=N Bond

Abstract: Abstract.Reacting o-C 6

Cited by 5 publications

References 40 publications

Organoaluminum Compounds as Catalysts for Monohydroboration of Carbodiimides

Organoaluminum Compounds as Catalysts for Monohydroboration of Carbodiimides

Molecular Main Group Metal Hydrides

Addition Reactions of Me₃SiCN with Aldehydes Catalyzed by Aluminum Complexes Containing in their Coordination Sphere O, S, and N Ligands

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Preparation of Aluminum Hydrides with Chelating Anilido‐Imine Ligands by Addition of an Al–H Bond to a C=N Bond

Abstract: Abstract.Reacting o-C 6

Cited by 5 publications

References 40 publications

Organoaluminum Compounds as Catalysts for Monohydroboration of Carbodiimides

Organoaluminum Compounds as Catalysts for Monohydroboration of Carbodiimides

Molecular Main Group Metal Hydrides

Addition Reactions of Me3SiCN with Aldehydes Catalyzed by Aluminum Complexes Containing in their Coordination Sphere O, S, and N Ligands

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Addition Reactions of Me₃SiCN with Aldehydes Catalyzed by Aluminum Complexes Containing in their Coordination Sphere O, S, and N Ligands