Dihydrobis(methimazolyl)borato complexes of ruthenium and osmium

Mark R.St J. Foreman; Chenxi Ma; Anthony F. Hill; Natalie E. Otten; Manab Sharma; Never Tshabang; Jas S. Ward

doi:10.1039/c7dt02420g

Dihydrobis(methimazolyl)borato complexes of ruthenium and osmium

Mark R.St J. Foreman, Chenxi Ma, Anthony F. Hill^*, Natalie E. Otten, Manab Sharma, Never Tshabang, Jas S. Ward

^*Corresponding author for this work

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11 Citations (Scopus)

Abstract

The reaction of Na[H₂B(mt)₂] (mt = 2-mercapto, 3-methylimidazol-1-yl, methimazolyl) with [Ru(X)Cl(CO)(PPh₃)_n] (n = 3 X = H; n = 2 BO₂C₆H₄, SiCl₃, SiMe₃) affords the complexes [Ru(X)(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}]. Evidence is presented to also support the transient formation of [Ru(X)(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}] (X = CHCHPh, Ph) via a similar strategy, although these are unstable. The osmium complex [OsH(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}] is similarly obtained from [OsHCl(CO)(PPh₃)₃] or [OsH(NCMe)₂(CO)(PPh₃)₂]BF₄. The reaction of [RuH(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}] with chloroform or diphenyldiselenide provides [Ru(X)(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}] (X = Cl, SePh), the latter reaction also providing traces of [Ru(SeH)(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}]. Spectroscopic and structural data for the series [Ru(X)(CO)(PPh₃){κ²-H,S,S′-H₂B(mt)₂}] are discussed in terms of perturbations on the B-H-Ru interaction by the trans-ligand X.

Original language	English
Pages (from-to)	14957-14972
Number of pages	16
Journal	Dalton Transactions
Volume	46
Issue number	43
DOIs	https://doi.org/10.1039/c7dt02420g
Publication status	Published - 2017

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@article{ea140bcf4984467b80b6b514d20e7d92,

title = "Dihydrobis(methimazolyl)borato complexes of ruthenium and osmium",

abstract = "The reaction of Na[H2B(mt)2] (mt = 2-mercapto, 3-methylimidazol-1-yl, methimazolyl) with [Ru(X)Cl(CO)(PPh3)n] (n = 3 X = H; n = 2 BO2C6H4, SiCl3, SiMe3) affords the complexes [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}]. Evidence is presented to also support the transient formation of [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] (X = CHCHPh, Ph) via a similar strategy, although these are unstable. The osmium complex [OsH(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] is similarly obtained from [OsHCl(CO)(PPh3)3] or [OsH(NCMe)2(CO)(PPh3)2]BF4. The reaction of [RuH(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] with chloroform or diphenyldiselenide provides [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] (X = Cl, SePh), the latter reaction also providing traces of [Ru(SeH)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}]. Spectroscopic and structural data for the series [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] are discussed in terms of perturbations on the B-H-Ru interaction by the trans-ligand X.",

author = "Foreman, {Mark R.St J.} and Chenxi Ma and Hill, {Anthony F.} and Otten, {Natalie E.} and Manab Sharma and Never Tshabang and Ward, {Jas S.}",

note = "Publisher Copyright: {\textcopyright} 2017 The Royal Society of Chemistry.",

year = "2017",

doi = "10.1039/c7dt02420g",

language = "English",

volume = "46",

pages = "14957--14972",

journal = "Dalton Transactions",

issn = "1477-9226",

publisher = "Royal Society of Chemistry",

number = "43",

}

TY - JOUR

T1 - Dihydrobis(methimazolyl)borato complexes of ruthenium and osmium

AU - Foreman, Mark R.St J.

AU - Ma, Chenxi

AU - Hill, Anthony F.

AU - Otten, Natalie E.

AU - Sharma, Manab

AU - Tshabang, Never

AU - Ward, Jas S.

PY - 2017

Y1 - 2017

N2 - The reaction of Na[H2B(mt)2] (mt = 2-mercapto, 3-methylimidazol-1-yl, methimazolyl) with [Ru(X)Cl(CO)(PPh3)n] (n = 3 X = H; n = 2 BO2C6H4, SiCl3, SiMe3) affords the complexes [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}]. Evidence is presented to also support the transient formation of [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] (X = CHCHPh, Ph) via a similar strategy, although these are unstable. The osmium complex [OsH(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] is similarly obtained from [OsHCl(CO)(PPh3)3] or [OsH(NCMe)2(CO)(PPh3)2]BF4. The reaction of [RuH(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] with chloroform or diphenyldiselenide provides [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] (X = Cl, SePh), the latter reaction also providing traces of [Ru(SeH)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}]. Spectroscopic and structural data for the series [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] are discussed in terms of perturbations on the B-H-Ru interaction by the trans-ligand X.

AB - The reaction of Na[H2B(mt)2] (mt = 2-mercapto, 3-methylimidazol-1-yl, methimazolyl) with [Ru(X)Cl(CO)(PPh3)n] (n = 3 X = H; n = 2 BO2C6H4, SiCl3, SiMe3) affords the complexes [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}]. Evidence is presented to also support the transient formation of [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] (X = CHCHPh, Ph) via a similar strategy, although these are unstable. The osmium complex [OsH(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] is similarly obtained from [OsHCl(CO)(PPh3)3] or [OsH(NCMe)2(CO)(PPh3)2]BF4. The reaction of [RuH(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] with chloroform or diphenyldiselenide provides [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] (X = Cl, SePh), the latter reaction also providing traces of [Ru(SeH)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}]. Spectroscopic and structural data for the series [Ru(X)(CO)(PPh3){κ2-H,S,S′-H2B(mt)2}] are discussed in terms of perturbations on the B-H-Ru interaction by the trans-ligand X.

UR - http://www.scopus.com/inward/record.url?scp=85033224021&partnerID=8YFLogxK

U2 - 10.1039/c7dt02420g

DO - 10.1039/c7dt02420g

M3 - Article

SN - 1477-9226

VL - 46

SP - 14957

EP - 14972

JO - Dalton Transactions

JF - Dalton Transactions

IS - 43

ER -

Dihydrobis(methimazolyl)borato complexes of ruthenium and osmium

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