Precursor in the preparation of a variety of different protein agonists or antagonists including: · Kinesin spindle protein inhibitors with potential anticancer activity · Orphan G-protein coupled receptor GPR119 agonist with antidiabetic potential · Pim-1 inhibitors · Aspartic acid protease inhibitors Reactant involved in enantioselective synthesis of N-alkyl terminal aziridines Precursor in the preparation of a variety of different protein agonists or antagonists including: ? Kinesin spindle protein inhibitors with potential anticancer activity ? Orphan G-protein coupled receptor GPR119 agonist with antidiabetic potential ? Pim-1 inhibitors ? Aspartic acid protease inhibitors Reactant involved in enantioselective synthesis of N-alkyl terminal aziridines