Double alkoxides of Niobium and tantalum with aluminium and gallium

Add time:07/26/2019    Source:sciencedirect.com

Double isopropoxides of niobium and tantalum with aluminium and gallium with general formulae, [MM′ (OPri)8] and [MM′2(OPri)11] have been prepared by refluxing their isopropoxides in isopropanol in molar ratio 1 : 1 and 1 : 2. These are soluble in organic solvents and are distilled under reduced pressure. The mono derivatives are dimeric with considerable dissociation, while bis-products are monomeric in refluxing benzene. IR and in some cases NMR spectra have been reported and discussed.

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