Formation and reactions of bicyclo[1.1.1]pentyl-1 cations

Article abstract of DOI:10.1021/ja00105a046

The ionization of 1-bicyclo[1.1.1]pentyl halides was shown to initially form the 1,3-bridged bicyclo[1.1.1]pentyl-l cation. It appears to be a transition state that leads to the bicyclo[1.1.0]butyl-1-carbinyl cation which can be trapped with azide ion and