Issue 19, 2023

Facile access to mid-valent Group 5 and 6 metal synthons

Abstract

Group 5 and 6 metal chlorides, MClx (M = Nb, Ta, Mo, W) are easily and controllably reduced, in a stepwise fashion, by stoichiometric PhMe2SiH, yielding only PhMe2SiCl, a useful reagent, and H2 as the byproducts. Addition of n moles of PhMe2SiH to toluene solutions of MClx yields stepwise uncoordinated reduction products of the form MClxn (M = Nb, Ta, Mo, W; x = 5 for Nb, Ta, Mo, x = 6 for W; n = 1 for Nb and Ta, n = 1, 2 for Mo and W). The reactions proceed cleanly furnishing quantitative, analytically pure yields of the desired mid-valent binary chlorides. The obtained products are very reactive and can be further derivatized with coordinating ethers or phosphines for the on-demand preparation of desired inorganic synthons.

Graphical abstract: Facile access to mid-valent Group 5 and 6 metal synthons

Supplementary files

Article information

Article type
Research Article
Submitted
17 May 2023
Accepted
18 Jun 2023
First published
19 Jun 2023

Inorg. Chem. Front., 2023,10, 5584-5590

Author version available

Facile access to mid-valent Group 5 and 6 metal synthons

T. E. Shaw, C. L. Stern, A. P. Sattelberger and T. Jurca, Inorg. Chem. Front., 2023, 10, 5584 DOI: 10.1039/D3QI00910F

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