N‑Heterocyclic Silyl Pincer Ligands
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资源简介：
The reaction of 1,2-C6H4(NHCH2PPh2)2 with chlorosilanes Cl2SiHR (R = Ph, Cl) affords the benzosiladiazoles RHSi(NCH2PPh2)2C6H4 (R = Ph, 1; Cl, 2). The phenyl derivative 1 undergoes chelate-assisted Si–H activation with [RuPhCl(CO)(PPh3)2] and [RhCl(PPh3)3] to afford the structurally characterized silyl pincer complexes [RuCl(CO)(PPh3){κ3-P,Si,P′-SiPh(NCH2PPh2)2C6H4}] (3) and [RhHCl(PPh3){κ3-P,Si,P′-SiPh(NCH2PPh2)2C6H4}] (4). The reaction of 4 with [Et2NH2][S2CNEt2] affords the complex [RhH(S2CNEt2){κ3-P,Si,P′-SiPh(NCH2PPh2)2C6H4}] (5), structural data for which demonstrate a pronounced trans influence for the σ-silyl donor.
创建时间：
2016-02-18
