Patent ID: 7626032

Claim:
A compound selected from the group consisting of: 4-Amino-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Methylamino-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Ethylamino-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Cyclopropylamino-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Dimethylamino-3,3-dimethylpiperidine and optical enantiomers thereof, 4-Benzylamino-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Acetylamino-3,3-dimethylpiperidine and optical enantiomers thereof, 4-Carbethoxyamino-3,3-dimethylpiperidine and optical enantiomers thereof, (±)-4-t-Butyloxycarbonylamino-3,3-dimethylpiperidine; (+)-4-t-Butyloxycarbonylamino-3,3-dimethylpiperidine; (−)-4-t-Butyloxycarbonylamino-3,3-dimethylpiperidine; 4-Benzyloxycarbonylamino-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Amino-1-benzyl-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Amino-1-carbethoxy-3,3-dimethylpiperidine and optical enantiomers thereof; 4-Amino-1-t-butyloxycarbonyl-3,3-dimethylpiperidine and optical enantiomers thereof; (±)-4-Amino-1-benzyloxycarbonyl-3,3-dimethylpiperidine; (+)-4-Amino-1-benzyloxycarbonyl-3,3-dimethylpiperidine; (−)-4-Amino-1-benzyloxycarbonyl-3,3-dimethylpiperidine; 4-Amino-3,5-diethyl-3-methylpiperidine; 4-Amino-1-benzyl-3,5-diethyl-3-methylpiperidine; 4-Amino-3,5-dimethyl-3-ethylpiperidine; 4-Amino-1-benzyl-3,5-dimethyl-3-ethylpiperidine; 4-Amino-3,3,5-trimethylpiperidine; 4-Amino-3,3-diethylpiperidine; 4-Amino-1-benzyl-3,3-diethylpiperidine; 4-Amino-3-ethyl-3-methylpiperidine; 4-Amino-1-benzyl-3-ethyl-3-methylpiperidine; 4-Acetylamino-1-benzyl-3,3-dimethylpiperidine; 1-Benzyl-4-carbethoxyamino-3,3-dimethyl piperidine; 4-Benzyloxycarbonylamino-3,3-dimethylpiperidine; 1-Benzyl-4-cyclopropylamino-3-ethyl-3-methylpiperidine; 1-Benzyl-4-methylamino-3-ethyl-3-methylpiperidine; 1-Benzyl-4-dimethylamino-3-ethyl-3-methylpiperidine; 4-Carbethoxyamino-3,3-dimethylpiperidine; 4-Cyclopropylamino-3-ethyl-3-methylpiperidine; 4-Dimethylamino-3-ethyl-3-methylpiperidine; 4-Methylamino-3-ethyl-3-methylpiperidine.