[C:1]1([CH2:7][N:8]2[CH2:13][CH2:12][CH:11]([CH2:14][NH2:15])[CH2:10][CH2:9]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[C:16](#[N:19])[CH:17]=[CH2:18]>C(O)C>[C:1]1([CH2:7][N:8]2[CH2:13][CH2:12][CH:11]([CH2:14][NH:15][CH2:18][CH2:17][C:16]#[N:19])[CH2:10][CH2:9]2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1A mixture of 1-(phenylmethyl)-4-piperidinemethanamine (0.076 mol) and acrylonitrile (0.076 mol) in ethanol (250 ml) was stirred and refluxed for 4 hours. The solvent was evaporated, yielding 20.0 g (102.4%, crude residue, used in next reaction step, without further purification) of 3-[[[1-(phenylmethyl)-4-piperidinyl]methyl]amino]-propanenitrile (interm. 14).
読み込み中…