2016
DOI: 10.1002/anie.201511048
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A P−H Functionalized Al/P Frustrated Lewis Pair: Substrate Activation and Selective Hydrogen Transfer

Abstract: Hydroalumination of an alkynylphosphine gave an unprecedented P-H functionalized frustrated Lewis pair (FLP). The reactive P-H group does not influence the typical FLP properties, but the activation of substrates follows a new reaction pattern involving hydrogen transfer to yield unusual compounds with phosphaurea, iminophosphine, or phosphanyltriazene structural motifs.

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Cited by 54 publications
(42 citation statements)
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“…Reaction of the chloro‐alkynylphosphines with Li[BHMe 3 ] afforded the phosphines Aryl‐P(H)−C≡C‐ t Bu ( 20 to 22 ; Scheme ). The mesityl compound 20 has been reported previously . Compound 21 was only generated in an NMR experiment and characterized by NMR spectroscopy.…”
Section: Resultsmentioning
confidence: 99%
“…Reaction of the chloro‐alkynylphosphines with Li[BHMe 3 ] afforded the phosphines Aryl‐P(H)−C≡C‐ t Bu ( 20 to 22 ; Scheme ). The mesityl compound 20 has been reported previously . Compound 21 was only generated in an NMR experiment and characterized by NMR spectroscopy.…”
Section: Resultsmentioning
confidence: 99%
“…[3,7] Eine geeignete Ausgangsverbindung für die Synthese eines P-H-funktionalisierten FLPs ist Mes(H)P-CC-CMe 3 (1), das durch Umsetzung von Mes(Cl)P-C C-CMe [9] belegt die pyramidale Umgebung des P-Atoms,d as an ein H-Atom, eine Mesityl-und eine Alkinylgruppe bindet (Winkel C1-P1-C4 103.02 (7)8 8 [9] zeigt die monomere Formeleinheit mit der geminalen Anordnung von P-und Al-Atomen, die eine trigonal-pyramidale bzw.p lanare Umgebung aufweisen. Der große intramolekulare Al···P-Abstand von 333 pm tritt ähnlich in den DimesitylVerbindungen (ca.…”
unclassified
“…Im 1 H-NMR-Spektrum fehlte das Signal der P-H-Gruppe mit der großen 1 J PH -Kopplungskonstanten, dafür wurde eine Resonanz bei d = 7.19 ppm einer N-H-Gruppe zugeordnet. Die Molekülstruktur (Abbildung 2) [9] bestätigt den einmaligen…”
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