Sulfuric Acid → HCID 22899237, 화합물
반응식
OS(O)(=O)=O.[CH3:6][C:7]([CH3:25])=[CH:8][CH2:9][C:10]1[C:20](=[O:21])[C:19]2[CH:18]=[CH:17][C:16]([O:22][CH3:23])=[CH:15][C:14]=2[C:12](=[O:13])[C:11]=1[OH:24]>>[CH3:6][C:7]1([CH3:25])[O:21][C:20]2[C:19]3[CH:18]=[CH:17][C:16]([O:22][CH3:23])=[CH:15][C:14]=3[C:12]([C:11](=[O:24])[C:10]=2[CH2:9][CH2:8]1)=[O:13]참가 물질
3
실험 절차
Concentrated H2SO4 (25 mL) was added to compound 52 (2.454 g) at 20° C. After stirring for 20 min, the mixture was diluted with ice water (500 mL). The resulting red precipitate 54 was collected by filtration, washed with water, and dried in vacuo. It was obtained as a red powder (2.36 g, 96%): 1H NMR (CDCl3) δ7.72 (1H, d, J=8.6 Hz), 7.56 (1H, d, J=2.7 Hz), 7.12 (1H, dd, J=8.6, 2.7 Hz), 3.90 (3H,S), 2.55 (2H, t, J=6.7 Hz), 1.84 (2H, t, J=6.7 Hz), 1.46 (6H, S).
후처리
- filtrationThe resulting red precipitate 54 was collected by filtration
- washwashed with water
- customdried in vacuo