Reactions of (iPrO)3M![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/char_e002.gif)
M(OiPr)3 (M = Mo, W) with low-coordinate phosphorus compounds. Formation of the first four-membered planar metallacycles, containing an MM triple bond†
Abstract
The low-coordinate phosphorus compounds (Me3Si)2N–P![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
NSiMe3, (Me3Si)2N–P(S)NtBu and (Me3Si)2N–P(NSiMe3)2 react with (iPrO)3MM(OiPr)3 (M = Mo, W) to form four- and five-membered metallacycles with intact endocyclic or exocyclic MM triple bonds. The first four-membered planar metallacycles, containing an MM triple bond were obtained in reaction with (Me3Si)2N–PNSiMe3.
![Graphical abstract: Reactions of (iPrO)3M [[triple bond, length as m-dash]] M(OiPr)3 (M = Mo, W) with low-coordinate phosphorus compounds. Formation of the first four-membered planar metallacycles, containing an M [[triple bond, length as m-dash]] M triple bond](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C1DT10099H&imageInfo.ImageIdentifier.Year=2011)
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![[triple bond, length as m-dash]](https://www.rsc.org/images/entities/h2_char_e002.gif)
M(OiPr)3 (M = Mo, W) with low-coordinate phosphorus compounds. Formation of the first four-membered planar metallacycles, containing an M
