Dialkyl aluminum hydroxide

Karl Ziegler describes the formation of alkyl aluminum oxides and the subsequent reaction of the primary produced dialkyl aluminum hydroxide [28]. It was also recognized that bis(diethylaluminum)oxide decomposes by disproportionation into triethyl-aluminum and a solid, non-volatile compound [29]. Bis(dimethylaluminum) oxide is mentioned in the hterature but not exactly described [30]. 

Dialkyl and diaryl ditellurium compounds are easily reduced to tellurols and tellurolates. Alkali metals in liquid ammonia or in an inert organic solvent, sodium borohydride in methanol, ethanol, alcohol/benzene, THF, DMF, or in a basic aqueous medium, lithium aluminum hydride in dioxane or THF/hexamethylphosphoric triamide, and thiourea dioxide in THF/50% aqueous sodium hydroxide have been used as reducing agents (p. 164). The tellurolates are easily oxidized in air. For this reason they are almost always used in situ. 

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