The reaction of [W([triple bond, length as m-dash]CC[triple bond, length as m-dash]CSiMe)(CO)(Tp*)] (Tp* = tris(dimethylpyrazolyl)borate) with AgNO affords {[W([triple bond, length as m-dash]CC[triple bond, length as m-dash]CAg)-(CO)(Tp*)][AgNO]} while [Hg{C[triple bond, length as m-dash]CC[triple bond, length as m-dash]W(CO)(Tp*)}] with BuLi affords [W([triple bond, length as m-dash]CC[triple bond, length as m-dash]CLi)(CO)(Tp*)]. These anhydrous reagents allow the installation of main group elements (e.g., Si, Sn, Pb, P, As) as propargylidyne termini.
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| http://dx.doi.org/10.1039/d0cc06196d | DOI Listing |
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