4.7 Article

Low valent lead and tin hydrides in reactions with heteroallenes†

期刊

DALTON TRANSACTIONS
卷 50, 期 14, 页码 4952-4958

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ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt00542a

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资金

  1. state of Baden-Wurttemberg through bwHPC
  2. German Research Foundation (DFG) [INST 40/467-1 FUGG, INST 40/575-1, WE 1876/12-1, WE 1876/13-1]

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The study shows that low valent organoelement hydrides of tin and lead react with different substrates to form hydroelementation products, with transfer of hydride to carbon atom and formation of new coordination structures.
Low valent organoelement hydrides of tin and lead, [(Ar*SnH)(2)] and [(Ar*PbH)(2)], were reacted with diorganocarbodiimide and adamantylisocyanate to give products of hydroelementation reactions. Carbon dioxide also reacts with both low valent hydrides, but a reaction product was only characterized in the tin hydride case. A hydride was transferred to the carbon atom and the formed formate anion [HCO2](-) shows coordination at two tin atoms. Carbon disulfide reacts with the stannyl-stannylene isomer of the low valent organotin hydride. The stannyl part forms a Sn-C bond whereas the stannylene moiety coordinates at the two sulfur atoms. The dimeric organolead hydride exhibits transfer of both hydride ligands to the carbon atom of CS2 to give a dithiol ligand [CH2S2](2-) bridging both organolead units.

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