Axially asymmetric metal alkyls. Part 1. Lithium alkyls of 2,2′-dimethylbiphenyl and its trimethylsilylmethylated compounds: crystal structures of [{Li(Me2NCH2CH2NMe2)}2{(2-CHRC6H4)2}] for R = H (polymeric) and R = SiMe3(monomeric)
Axially asymmetric metal alkyls. Part 1. Lithium alkyls of 2,2′-dimethylbiphenyl and its trimethylsilylmethylated compounds: crystal structures of [{Li(Me2NCH2CH2NMe2)}2{(2-CHRC6H4)2}] for R = H (polymeric) and R = SiMe3(monomeric)