Methyl 7-hydroxy-4-methyl-8-allyl-2-oxo-2H-1-benzopyran-3-acetate → HCID 14211166、化合物
反応式
[OH:1][C:2]1[CH:18]=[CH:17][C:5]2[C:6]([CH3:16])=[C:7]([CH2:11][C:12]([O:14][CH3:15])=[O:13])[C:8](=[O:10])[O:9][C:4]=2[C:3]=1[CH2:19][CH:20]=[CH2:21]>CO.[Pd]>[OH:1][C:2]1[CH:18]=[CH:17][C:5]2[C:6]([CH3:16])=[C:7]([CH2:11][C:12]([O:14][CH3:15])=[O:13])[C:8](=[O:10])[O:9][C:4]=2[C:3]=1[CH2:19][CH2:20][CH3:21]参加物
4
実験手順
The phenol from Step 3 (23 g) was hydrogenated in methanol (700 ml) under 50 psi H2 pressure in the presence of 5% palladium on charcoal (2 g) for 1 hour. The catalyst was removed by filtration over celite and the solvent was removed to provide the title compound, m.p. 160°-162°.
後処理
- customThe catalyst was removed by filtration over celite
- customthe solvent was removed
出典と根拠
- ORDレコード
- ord-0316ec31f272486ba7df9442235575c1
- 出典データセット
- uspto-grants-1988_08
- 特許番号
- US04761425
反応ノート
読み込み中…