Diazomethane → Methyl 2-bromo-delta-oxobenzenepentanoate
反応式
[Br:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8](=[O:15])[CH2:9][CH2:10][CH2:11][C:12]([OH:14])=[O:13].[N+](=[CH2:18])=[N-]>CCOCC>[Br:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8](=[O:15])[CH2:9][CH2:10][CH2:11][C:12]([O:14][CH3:18])=[O:13]参加物
4
実験手順
To 0.54g (2.0 mmol) of the product of Example 2 dissolved in ether was added an ethereal solution of excess diazomethane at 0° C. to produce a 97% yield of the ester as a yellow oil. The ester was used without further purification.
出典と根拠
- ORDレコード
- ord-543dcd55a39d4170a7621ae838d0c63b
- 出典データセット
- uspto-grants-1990_11
- 特許番号
- US04970234
反応ノート
読み込み中…