Arrested B-H activation en route to installation of a PBP pincer ligand on ruthenium and osmium

Anthony F. Hill; Caitlin M.A. McQueen

doi:10.1021/om5001106

Arrested B-H activation en route to installation of a PBP pincer ligand on ruthenium and osmium

Anthony F. Hill^*, Caitlin M.A. McQueen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

The reaction of HB(NCH₂PPh₂)₂C ₆H₄-1,2 with MCl₂(PPh₃)₃ (M = Ru, Os) affords the six-coordinate σ-borane complexes [MCl ₂(PPh₃){σ-BH-κ²-P,P′- HB(NCH₂PPh₂)₂-C₆H₄}], in which the B-H bond remains intact while coordinated to the metal center. Replacement of the unique phosphine by π-acceptor ligands, e.g., CO and CNC₆H₂Me₃, induces B-H activation followed by spontaneous dehydrochlorination with the formation of the boryl pincer complexes [RuCl(CA)₂{B(NCH₂PPh₂)₂C ₆H₄}] (A = O, NC₆H₂Me ₃-2,4,6).

Original language	English
Pages (from-to)	1977-1985
Number of pages	9
Journal	Organometallics
Volume	33
Issue number	8
DOIs	https://doi.org/10.1021/om5001106
Publication status	Published - 28 Apr 2014

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title = "Arrested B-H activation en route to installation of a PBP pincer ligand on ruthenium and osmium",

abstract = "The reaction of HB(NCH2PPh2)2C 6H4-1,2 with MCl2(PPh3)3 (M = Ru, Os) affords the six-coordinate σ-borane complexes [MCl 2(PPh3){σ-BH-κ2-P,P′- HB(NCH2PPh2)2-C6H4}], in which the B-H bond remains intact while coordinated to the metal center. Replacement of the unique phosphine by π-acceptor ligands, e.g., CO and CNC6H2Me3, induces B-H activation followed by spontaneous dehydrochlorination with the formation of the boryl pincer complexes [RuCl(CA)2{B(NCH2PPh2)2C 6H4}] (A = O, NC6H2Me 3-2,4,6).",

author = "Hill, {Anthony F.} and McQueen, {Caitlin M.A.}",

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doi = "10.1021/om5001106",

language = "English",

volume = "33",

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journal = "Organometallics",

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TY - JOUR

T1 - Arrested B-H activation en route to installation of a PBP pincer ligand on ruthenium and osmium

AU - Hill, Anthony F.

AU - McQueen, Caitlin M.A.

PY - 2014/4/28

Y1 - 2014/4/28

N2 - The reaction of HB(NCH2PPh2)2C 6H4-1,2 with MCl2(PPh3)3 (M = Ru, Os) affords the six-coordinate σ-borane complexes [MCl 2(PPh3){σ-BH-κ2-P,P′- HB(NCH2PPh2)2-C6H4}], in which the B-H bond remains intact while coordinated to the metal center. Replacement of the unique phosphine by π-acceptor ligands, e.g., CO and CNC6H2Me3, induces B-H activation followed by spontaneous dehydrochlorination with the formation of the boryl pincer complexes [RuCl(CA)2{B(NCH2PPh2)2C 6H4}] (A = O, NC6H2Me 3-2,4,6).

AB - The reaction of HB(NCH2PPh2)2C 6H4-1,2 with MCl2(PPh3)3 (M = Ru, Os) affords the six-coordinate σ-borane complexes [MCl 2(PPh3){σ-BH-κ2-P,P′- HB(NCH2PPh2)2-C6H4}], in which the B-H bond remains intact while coordinated to the metal center. Replacement of the unique phosphine by π-acceptor ligands, e.g., CO and CNC6H2Me3, induces B-H activation followed by spontaneous dehydrochlorination with the formation of the boryl pincer complexes [RuCl(CA)2{B(NCH2PPh2)2C 6H4}] (A = O, NC6H2Me 3-2,4,6).

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U2 - 10.1021/om5001106

DO - 10.1021/om5001106

M3 - Article

SN - 0276-7333

VL - 33

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EP - 1985

JO - Organometallics

JF - Organometallics

IS - 8

ER -

Arrested B-H activation en route to installation of a PBP pincer ligand on ruthenium and osmium

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