N-{[1-(3-amino-2,2-dimethylpropyl)-1H-benzimidazol-2-yl]methyl}-N-methyl-5,6,7,8-tetrahydro-8-quinolinamine   、                                                                                      
bis(1,1-dimethylethyl) ((E)-{[3-(2-{[methyl(5,6,7,8-tetrahydro-8-quinolinyl)amino]methyl}-1H-benzimidazol-1-yl)propyl]amino}methylylidene)biscarbamate                                                                                                                                                                                                                                                                                                          以afforded 61 mg (78%) of bis(1,1-dimethylethyl) ((Z)-{[2,2-dimethyl-3-(2-{[methyl(5,6,7,8-tetrahydro-8-quinolinyl)amino]methyl}-1H-benzimidazol-1-yl)propyl]amino}methylylidene)biscarbamate as a yellow oil的产率得到bis(1,1-dimethylethyl)((Z)-{[2,2-dimethyl-3-(2-{[methyl(5,6,7,8-tetrahydro-8-quinolinyl)amino]methyl}-1H-benzimidazol-1-yl)propyl]amino}methylylidene)biscarbamate