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Low-Valent Lead Hydride and Its Extreme Low-Field 1H NMR Chemical Shift

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journal contribution
posted on 25.04.2017, 00:00 by Julia Schneider, Christian P. Sindlinger, Klaus Eichele, Hartmut Schubert, Lars Wesemann
Although hydrides of the group 14 elements are well-known as versatile starting materials in many chemical transformations, a hydride of lead in oxidation state II is so far unknown. In this work, we finally complete the jigsaw puzzle by reporting the isolation of the first low valent organolead hydride. The thermolabile dimeric organolead hydride was synthesized at low temperature and features a hydride 1H NMR signal (in solution 35.61 ppm; in the solid state 31.1 ppm) at the lowest field observed so far for a diamagnetic compound in agreement with quantum chemical predictions.