N-[2-[[(1,2,3,4-tetrahydro-1-naphthalenyl)carbonyl]amino]ethyl]-carbamic Acid 1,1-Dimethylethyl Ester is an intermediate used in the synthesis of N-(2-Aminoethyl)-1,2,3,4-tetrahydro-1-naphthalenecarboxamide Hydrochloride (A608010), which is an acidic salt of N-(2-Aminoethyl)-1,2,3,4-tetrahydro-1-naphthalenecarboxamide (A607980), a degradation product of tetrahydrozoline.