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- W2036304800 abstract "The reactions of trimethylaluminum with diphenylarsine, Ph2AsH, and phenyl[(trimethylsilyl)methyl]arsine, Ph(Me3SiCH2)AsH, in 1:1 mole ratios afford the trimeric compounds [Me2AlAsPh2]3·(C7H8)2 (1) and [Me2AlAs(CH2SiMe3)Ph]3 (2), respectively. Compounds 1 and 2 are the first Al−As six-membered-ring compounds to be structurally characterized by single-crystal X-ray crystallography, as well as by 1H and 13C solution NMR spectroscopy. X-ray crystallographic analysis revealed that trimer 1 is a toluate that crystallizes in the monoclinic space group P21/n, with a = 14.549(6) Å, b = 22.838(7) Å, c = 16.891(4) Å, and β = 105.12(5)° for Z = 4. Trimer 2 crystallizes in the triclinic system, space group P1̄, and has two unique molecules in a unit cell with dimensions of a = 15.619(7) Å, b = 17.487(6) Å, c = 19.863(6) Å, α = 94.86(3)°, β = 101.41(3)°, and γ = 113.34(3)° for Z = 4. The six-membered Al−As rings in both 1 and 2 occupy chair conformations, furnishing both trimers with structural characteristics similar to those of cyclohexane. The Al and As centers of both 1 and 2 reside in pseudotetrahedral environments, with the Al−As bond lengths ranging from 2.512(3) to 2.542(3) Å in 1 and from 2.504(5) to 2.526(5) Å in 2." @default.
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- W2036304800 title "Reactions of Trimethylaluminum with Secondary Arsines: Synthesis and Characterization of Phenyl[(trimethylsilyl)methyl]arsine and the X-ray Crystal Structures of the Trimers [Me<sub>2</sub>AlAsPh<sub>2</sub>]<sub>3</sub>·(C<sub>7</sub>H<sub>8</sub>)<sub>2</sub> and [Me<sub>2</sub>AlAs(CH<sub>2</sub>SiMe<sub>3</sub>)Ph]<sub>3</sub>" @default.
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- W2036304800 doi "https://doi.org/10.1021/om950615i" @default.
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