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Ten-vertex Metallaborane Chemistry: Synthesis and Characterization of Some ortho-Cycloboronated nido-5- and -6-Iridadecaboranes; Crystal Structures of and

DOI: 10.1039/DT9900001441

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 1441 - 1450 (1990)

Update date:2022-08-05

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Authors:

Bould, JonathanBould, Jonathan

Crook, Janet E.Crook, Janet E.

Greenwood, Norman N.Greenwood, Norman N.

Kennedy, John D.Kennedy, John D.

Thornton-Pett,, Mark.Thornton-Pett,, Mark.

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Article abstract of DOI:10.1039/DT9900001441

The arachno-anion - reacts with to give an 80percent yield of the known compound <6H-6,6-(PPh3)2-nido-6-IrB9H13> (1), whereas the reaction of nido-- with gives a mixture of products.These have been characterized by a combination of multi-element n.m.r. spectroscopy and single-crystal X-ray diffraction analysis to be (2) (60percent yield), (3) (20percent yield), <5-H-5-(PPh3)-5-(PPh2-o-C6H4)-nido-5-IrB9H12-2> (4) (0.1-20percent yield) and <5-H-5,7-(PPh3)2-5-(PPh2-o-C6H4)-nido-5-IrB9H10-2) (5) (5percent yield).Crystals of compound (4) are triclinic, space group P1 with a = 1254.4(3), b = 1524.6(4), c = 1091.7(2) pm, α = 97.69(2), β = 115.09(2), γ = 88.79(2) deg, and Z = 2.Crystals of the bis(chloroform) solvate of (5) are triclinic, space group P1 with a = 1501.3(3), b = 1571.6(3), and c = 1478.1(3) pm, α = 104.27(2), β = 113.81(2), γ = 97.98(2) deg, and Z = 2.A further compound was isolated and tentatively identified as a phosphine-substituted nido-6-iridadecaborane.A scheme to explain the mixture of products is briefly discussed.

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Product name:{6-hydrido-6,8-bis(triphenylphosphine)-6-(o-diphenylphosphinophenyl)-6-iridadecaborane}

Cas No:128324-27-6

128324-27-6

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