DECABORANE GRIGNARD REAGENTS AND THE FORMATION OF SUBSTITUTED DECABORANES

摘要

Inorganic Grignard reagents are formed when decaborane is reacted with methyl magnesium iodide. Either Bt10H13MgI or B10H12(MgI)2 can be prepared. The bromide and chloride also form decaborane Grignard reagents. Upon hydrolysis of B10H13MgI, decaborane and MgIOH are formed. Benzyl chloride and allyl chloride react with decaborane Grignard reagents to form substituted decaboranes. Benzyl decaborane has been char¬acterized, and the benzyl group was shown by nuclear magnetic resonance studies to be substituted at a basal boron atom. Pre¬liminary evidence indicates that carbon dioxide reacts with the decaborane Grignard reagent to form a carboxylate salt. One of the products isolated from the benzyl chloride reaction is believed to possess a di-decaboryl linkage.