[N:1](/[C:4](=[CH:9]\[C:10]1[C:11]([S:16][CH3:17])=[N:12][CH:13]=[CH:14][CH:15]=1)/[C:5]([O:7][CH3:8])=[O:6])=[N+]=[N-]>C1(C)C=C(C)C=C(C)C=1>[CH3:17][S:16][C:11]1[C:10]2[CH:9]=[C:4]([C:5]([O:7][CH3:8])=[O:6])[NH:1][C:15]=2[CH:14]=[CH:13][N:12]=1A solution of methyl (2Z)-2-azido-3-[2-(methylthio)pyridin-3-yl]prop-2-enoate (1.00 g, 4.00 mmol) in mesitylene (50 mL) was heated at 160° C. for a period of 1 h. The reaction mixture was cooled to room temperature then to 0° C., the precipitate was filtered and washed with cold mesitylene to provide the title compound.
Wird geladen…