1,2,3λ3-Diazaphosphiridines-Synthesis, Molecular Structure and Ring Opening

1,2,3λ3-Diazaphosphiridines-Synthesis, Molecular Structure and Ring Opening

Of the three‐membered heterocycles with λ3‐phosphorus and highly electronegative heteroatoms, l,2,3λ3‐diazaphosphiridines (1), R = CHMe2, SiMe3, has now been synthesized. In the ground state of (1) the tert‐butyl substi‐tuents are trans‐oriented. The diazaphosphiridines (1) isomerize in toluene at 1...

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Veröffentlicht in:Angewandte Chemie International Edition 1981-11, Vol.20 (11), p.963-964
Hauptverfasser: Niecke, Edgar, Schwichtenhövel, Klaus, Schäfer, Hans-Günther, Krebs, Bernt
Format: Artikel
Sprache:eng ; jpn
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Zusammenfassung:Of the three‐membered heterocycles with λ3‐phosphorus and highly electronegative heteroatoms, l,2,3λ3‐diazaphosphiridines (1), R = CHMe2, SiMe3, has now been synthesized. In the ground state of (1) the tert‐butyl substi‐tuents are trans‐oriented. The diazaphosphiridines (1) isomerize in toluene at 100°C within a few minutes to give the ylidic diiminophosphoranes (2).
ISSN:0570-0833
1521-3773
DOI:10.1002/anie.198109631