Phosphido- and Amidozirconocene Cation-Based Frustrated Lewis Pair Chemistry
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https://figshare.com/articles/dataset/Phosphido_and_Amidozirconocene_Cation_Based_Frustrated_Lewis_Pair_Chemistry/2201041
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资源简介：
Methyl abstraction from neutral [Cp2ZrMe(ERR′)]
complexes 1 (E = N, P; R, R′ = alkyl, aryl) with
either B(C6F5)3 or [Ph3C][B(C6F5)4] results in the formation
of [Cp2Zr(ERR′)][X] complexes 2 (X– = MeB(C6F5)3–, B(C6F5)4–). The X-ray structure of amido complexes [Cp2Zr(NPh2)][MeB(C6F5)3] (2d) and [Cp2Zr(NtBuAr)][B(C6F5)4] (2e′, Ar =
3,5-C6H3(CH3)2) is reported,
showing a sterically dependent Zr/N−π interaction. Complexes 2 catalyze the hydrogenation of electron-rich olefins and
alkynes under mild conditions (room temperature, 1.5 bar H2). Complex 2e binds CO2, giving [Cp2Zr(CO2)(NtBuAr)]2[MeB(C6F5)3]2 (3e). Amido complex 2d reacts with benzaldehyde
yielding [Cp2Zr(OCH2Ph)((OC)PhNPh2)][MeB(C6F5)3] (7d).
Phosphido complex [Cp2Zr(PCy2)][MeB(C6F5)3] (2a) reacts with diphenylacetylene
to yield frustrated Lewis pair [Cp2Zr(PhCCPh)(PCy2)][MeB(C6F5)3] (8a)
which further reacts with a range of carbonyl substrates.
创建时间：
2016-02-15
