SEARCH Articles Figures Tables 1-Butyl-4,5-dimethyl-2-phenyl 2.3- Dimethyl-2-butyl cation 2.3- dimethyl-3-hydroxy-2-butyl cation 3.3- Dimethyl-2-butyl cation, rearrangement 3.3- Dimethyl-l-butyl cation Butyl chloride 3,3-dimethyl Butyl-2,3-dimethyl imidazolium Butyl-2,3-dimethyl imidazolium azide Butyl-dimethyl 2- -methyl Dimethyl »-butyl carbinol Tert-Butyl dimethyl silyl TiCl4, 1 -butyl-2,3-dimethyl imidazolium