Group 5 and 6 metal chlorides,MCl_(x)(M=Nb,Ta,Mo,W)are easily and controllably reduced,in a stepwise fashion,by stoichiometric PhMe_(2)SiH,yielding only PhMe_(2)SiCl,a useful reagent,and H2 as the byproducts.Addition ...Group 5 and 6 metal chlorides,MCl_(x)(M=Nb,Ta,Mo,W)are easily and controllably reduced,in a stepwise fashion,by stoichiometric PhMe_(2)SiH,yielding only PhMe_(2)SiCl,a useful reagent,and H2 as the byproducts.Addition of n moles of PhMe_(2)SiH to toluene solutions of MCl_(x)yields stepwise uncoordinated reduction products of the form MCl_(x-n)(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).展开更多
基金supported by the Department of Chemistry,College of Sciences,and the Faculty Cluster Initiative at the University of Central Florida.The use of the IMSERC Crystallography facility at Northwestern Universitysupport from the Soft and Hybrid Nanotechnology Experimental(SHyNE)Resource(NSF ECCS-2025633)Northwestern University,is gratefully acknowledged.
文摘Group 5 and 6 metal chlorides,MCl_(x)(M=Nb,Ta,Mo,W)are easily and controllably reduced,in a stepwise fashion,by stoichiometric PhMe_(2)SiH,yielding only PhMe_(2)SiCl,a useful reagent,and H2 as the byproducts.Addition of n moles of PhMe_(2)SiH to toluene solutions of MCl_(x)yields stepwise uncoordinated reduction products of the form MCl_(x-n)(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).
