[CH3:1][C:2]([CH3:9])=[CH:3][C:4]([N:6]=[C:7]=[S:8])=[O:5].[NH:10]1[CH2:15][CH2:14][CH2:13][CH2:12][CH2:11]1>C1C=CC=CC=1>[N:10]1([C:7]([NH:6][C:4](=[O:5])[CH:3]=[C:2]([CH3:9])[CH3:1])=[S:8])[CH2:15][CH2:14][CH2:13][CH2:12][CH2:11]1To a solution of 3-methylbut-2-enoyl isothiocyanate (2 g, 14.2 mmol, Eq: 1.00) in benzene (40.0 ml) was added a solution of piperidine (1.21 g, 1.4 ml, 14.2 mmol, Eq: 1.00) in benzene (20.0 ml). The mixture was stirred for 2 hours. The mixture was evaporated affording 3-methyl-but-2-enoic acid (piperidine-1-carbothioyl)-amide (3.32 g, 104%) as a yellow oil. MS: m/z=227.2 (M+H+)
読み込み中…