Square Planar Ru(iPr2PCH2CH2NH)2 and its Role in Fast and Selective Catalytic Amine-Borane Dehydropolymerization to Form High Molecular Weight Polyaminoboranes.

Addition of tBuOK to orange RuCl 2( iPr 2PCH 2CH 2NH 2) 2 forms the pink, square planar, Ru(II) complex Ru( iPr 2PCH 2CH 2NH) 2. This is an active catalyst (ToF 250 s -1) for the dehydropolymerization of H 3B·NMeH 2 to give high molecular weight polyaminoborane, [H 2BNMeH] n (M n = 138 700 g mol -1) at low loadings (0.03 mol%). An induction period observed is due to the initial formation of a hydroxy-hydride species, Ru( iPr 2PCH 2CH 2NH 2) 2(OH)(H), prior to fast turnover.

Publication Details

Journal
White Rose Research Online (University of Leeds, The University of Sheffield, University of York)
Published
2025-04-17
Primary Topic
Asymmetric Hydrogenation and Catalysis
Type
article
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article

Square Planar Ru(iPr2PCH2CH2NH)2 and its Role in Fast and Selective Catalytic Amine-Borane Dehydropolymerization to Form High Molecular Weight Polyaminoboranes.

White Rose Research Online (University of Leeds, The University of Sheffield, University of York)
Asymmetric Hydrogenation and Catalysis
article

Square Planar Ru(iPr2PCH2CH2NH)2 and its Role in Fast and Selective Catalytic Amine-Borane Dehydropolymerization to Form High Molecular Weight Polyaminoboranes.

article en

Abstract

Addition of tBuOK to orange RuCl 2( iPr 2PCH 2CH 2NH 2) 2 forms the pink, square planar, Ru(II) complex Ru( iPr 2PCH 2CH 2NH) 2. This is an active catalyst (ToF 250 s -1) for the dehydropolymerization of H 3B·NMeH 2 to give high molecular weight polyaminoborane, [H 2BNMeH] n (M n = 138 700 g mol -1) at low loadings (0.03 mol%). An induction period observed is due to the initial formation of a hydroxy-hydride species, Ru( iPr 2PCH 2CH 2NH 2) 2(OH)(H), prior to fast turnover.

White Rose Research Online (University of Leeds, The University of Sheffield, University of York)
Openalex Percentile: Top 60%
Asymmetric Hydrogenation and Catalysis
OpenAlex
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Square Planar Ru(iPr2PCH2CH2NH)2 and its Role in Fast and Selective Catalytic Amine-Borane Dehydropolymerization to Form High Molecular Weight Polyaminoboranes. · White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (2025) | TGRS Research Map | TGRS