Synthesis of P‑CPh3 Substituted Spirooxaphosphirane Complexes: Steric Effects Dominate the Product Formation

The reaction of Li/Cl phosphinidenoid pentacarbonyltungsten complex 2 with cyclobutanone and 3-oxetanone led to new, stable spirooxaphosphirane complexes 3 and 4. In contrast, formation of O–H insertion products 5 and 6 was the preferred reaction pathway in case of cyclopentanone and cyclohexanone;...

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Published in:Organometallics 2017-08, Vol.36 (15), p.2952-2955
Main Authors: Streubel, Rainer, Junker, Philip, Kyri, Andreas W, Schnakenburg, Gregor
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container_title Organometallics
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creator Streubel, Rainer
Junker, Philip
Kyri, Andreas W
Schnakenburg, Gregor
description The reaction of Li/Cl phosphinidenoid pentacarbonyltungsten complex 2 with cyclobutanone and 3-oxetanone led to new, stable spirooxaphosphirane complexes 3 and 4. In contrast, formation of O–H insertion products 5 and 6 was the preferred reaction pathway in case of cyclopentanone and cyclohexanone; this is in contrast to spirooxaphosphirane complex formation with sterically less demanding P-substituents. All complexes have been characterized by heteronuclear NMR spectroscopy and single crystal X-ray analysis in case of 3 and 4.
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title Synthesis of P‑CPh3 Substituted Spirooxaphosphirane Complexes: Steric Effects Dominate the Product Formation
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