What are the physical and chemical properties of 2-Methyl-2-propanyl 2-[(cyclopropylamino)methyl]-1-pyrrolidinecarboxylate (CAS: 1289387-44-5)?

2-Methyl-2-propanyl 2-[(cyclopropylamino)methyl]-1-pyrrolidinecarboxylate is a white or off-white crystalline solid with a molecular weight of approximately 288.4 g/mol. It has a pKa of around 6.5, indicating basicity. The compound is poorly soluble in water but soluble in organic solvents such as ethanol and acetone. It exhibits moderate reactivity in nucleophilic substitution reactions and can be used as a chiral building block in organic synthesis.