2021
DOI: 10.1002/anie.202106161
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Platinum‐Templated Coupling of B=N Units: Synthesis of BNBN Analogues of 1,3‐Dienes and a Butatriene

Abstract: The 1:2 reaction of [m-(dmpm)Pt(nbe)] 2 (dmpm = bis(dimethylphosphino)methane, nbe = norbornene) with Cl 2 BNR(SiMe 3 ) (R = tBu, SiMe 3 ) yields unsymmetrical (Naminoboryl)aminoboryl Pt I 2 complexes by BÀN coupling via ClSiMe 3 elimination. A subsequent intramolecular ClSiMe 3 elimination from the tBu-derivative leads to cyclization of the BNBN unit, forming a unique 1,3,2,4-diazadiboretidin-2-yl ligand. In contrast, the analogous reaction with Br 2 BN(SiMe 3 ) 2 leads, via a twofold BrSiMe 3 elimination, to… Show more

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Cited by 10 publications
(12 citation statements)
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“…The iodo derivative of complex 1 Br , complex 1 I , was obtained as an orange solid (87% yield) by reacting 1 Br with 3 equiv trimethylsilyl iodide (Scheme ). The 11 B NMR spectrum of 1 I presents two broad resonances at 61 (fwhm ≈1080 Hz, Pt B ) and 27 (fwhm ≈690 Hz, N B N) ppm, similar to those of 1 Br (57 and 26 ppm).…”
Section: Resultsmentioning
confidence: 99%
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“…The iodo derivative of complex 1 Br , complex 1 I , was obtained as an orange solid (87% yield) by reacting 1 Br with 3 equiv trimethylsilyl iodide (Scheme ). The 11 B NMR spectrum of 1 I presents two broad resonances at 61 (fwhm ≈1080 Hz, Pt B ) and 27 (fwhm ≈690 Hz, N B N) ppm, similar to those of 1 Br (57 and 26 ppm).…”
Section: Resultsmentioning
confidence: 99%
“…■ RESULTS AND DISCUSSION Synthetic Procedures. The iodo derivative of complex 1 Br , 55 complex 1 I , was obtained as an orange solid (87% yield) by reacting 1 Br with 3 equiv trimethylsilyl iodide (Scheme 2).…”
Section: ■ Introductionmentioning
confidence: 99%
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“…Aminoboranes are an important class of boron–nitrogen containing compounds that are related to alkenes by the substitution of the CC double bond by an isoelectronic and isosteric BN bond. , The applications of aminoboranes are broad and encompass a number of areas of current research. In materials chemistry, they act as monomers or intermediates in the catalytic synthesis of poly­(aminoborane)­s and their carbene-catalyzed decomposition , and as monomers for oligo­(iminoborane)­s. Aminoboranes were discussed in the context of hydrogen storage and are potential precursors for boron nitride . Aminoboranes are also useful in synthesis, e.g., of aldimines and iminium ions .…”
Section: Introductionmentioning
confidence: 99%
“…Kristallographisch ermittelte Festkçrperstrukturen (von links nach rechts) von 3 tBu (nur eines der beiden Moleküle -das mit der geringsten Fehlordnung -in der asymmetrischen Einheit von 3 tBu ist abgebildet), 4 tBu und 6. [26] Die Ellipsoide repräsentieren 50 % der Aufenthaltswahrscheinlichkeit. Die Ellipsoide der Ligandenperipherie und Wasserstoffatome sind nicht abgebildet.…”
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