1,1-dimethylethyl (2,2-dimethyl-3-{2-[(5,6,7,8-tetrahydro-8-quinolinylamino)methyl]-1H-benzimidazol-1-yl}propyl)carbamate 、
异戊醛 、
3-(2-{[ethyl(5,6,7,8-tetrahydro-8-quinolinyl)amino]methyl}-1H-benzimidazol-1-yl)propanenitrile 以afforded 147 mg (92%) of 1,1-dimethylethyl [2,2-dimethyl-3-(2-{[(3-methylbutyl)(5,6,7,8-tetrahydro-8-quinolinyl)amino]methyl}-1H-benzimidazol-1-yl)propyl]carbamate as an off-white foam的产率得到1,1-dimethylethyl [2,2-dimethyl-3-(2-{[(3-methylbutyl)(5,6,7,8-tetrahydro-8-quinolinyl)amino]methyl}-1H-benzimidazol-1-yl)propyl]carbamate