On the Reactivity of N-tert-Butyl-1,2-Diaminoethane: Synthesis of 1-tert-Butyl-2-Imidazoline, Formation of an Intramolecular Carbamate Salt from the Reaction with , and Generation of a Hydroxyalkyl-Substituted Imidazolinium Salt

Figure 1

Molecular structure of BuN(H)₂C₂H₄N(H)CO₂ (1, left) forming dimeric units and an extended structure through H-bonding (right). Thermal ellipsoids set at 50% probability. Hydrogen atoms except for those attached to N atoms are omitted for clarity. Selected bond lengths (Å) and angles (°): O1-C1 1.267(1), O2-C1 1.277(1), N1-C1 1.400(1), N1-C2 1.464(1), O1-C1  O2 123.98(8), C1-N1-C2 120.32(7).