O-tert-Butylthreonine tert-Butyl Ester, can be used in the synthesis of various chemical compounds having therapeutic activity, such as N-[[[(1S)-1-[3-(2-Pyrazinyl)-1,2,4-oxadiazol-5-yl]-3-butyn-1-yl]amino]carbonyl]-L-threonine (P842605), used as immune modeulators. Molecular Formula: C12H25NO3 Molecular Weight: 231.33