2016
DOI: 10.1002/anie.201600305
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Hydride Reduction by a Sodium Hydride–Iodide Composite

Abstract: Sodium hydride (NaH) is widely used as a Brønsted base in chemical synthesis and reacts with various Brønsted acids, whereas it rarely behaves as a reducing reagent through delivery of the hydride to polar π electrophiles. This study presents a series of reduction reactions of nitriles, amides, and imines as enabled by NaH in the presence of LiI or NaI. This remarkably simple protocol endows NaH with unprecedented and unique hydride‐donor chemical reactivity.

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Cited by 79 publications
(36 citation statements)
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“…Attenuated total reflectance Fourier transform infrared (ATR‐FTIR) spectroscopy was undertaken on the composites, but no distinctive band was observed in the mid‐IR region, as expected for NaH . However, after the NaH–NaI sample had been employed for a reduction reaction, the ATR‐FTIR spectrum revealed the presence of CN − (2086 cm −1 ) in the bulk material as anticipated …”
Section: Resultsmentioning
confidence: 78%
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“…Attenuated total reflectance Fourier transform infrared (ATR‐FTIR) spectroscopy was undertaken on the composites, but no distinctive band was observed in the mid‐IR region, as expected for NaH . However, after the NaH–NaI sample had been employed for a reduction reaction, the ATR‐FTIR spectrum revealed the presence of CN − (2086 cm −1 ) in the bulk material as anticipated …”
Section: Resultsmentioning
confidence: 78%
“…We recently discovered a remarkable and unprecedented decyanation reaction enabled by NaH in the presence of iodide additives (Scheme ) . Sodium iodide (NaI), lithium iodide (LiI), and magnesium iodide (MgI 2 ) were identified as suitable additives for mediating this unusual reaction, implicating the critical role of dissolved iodide in the mixture . The substrate scope is broad and the stereo‐configuration during the nitrile substitution with hydride was retained (Scheme ) .…”
Section: Introductionmentioning
confidence: 99%
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“…Kürzlich hat die Gruppe um Chiba den Anwendungsbereich auf die Reduktion von Nitrilen, Amiden und Iminen erweitert. [7] Zudem verwendeten sie NaH auch fürd ie ionische Hydrodebromierung von Arylbromiden [8a] und die Amid-dirigierte C-H-Sodiierung.…”
Section: Einewichtigeaufgabefürchemikeristdieentwicklungvonunclassified