Oxalyl chloride → HCID 23445624、化合物
反応式
[CH2:1]([C:3]1[CH:4]=[C:5]([CH:9]=[C:10]([CH2:14][CH3:15])[C:11]=1[O:12][CH3:13])[C:6]([OH:8])=O)[CH3:2].C(Cl)(=O)C(Cl)=O.[Sn].[CH2:23]([C:30]1[O:31][C:32]([CH3:36])=[C:33]([CH3:35])[CH:34]=1)[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1>>[CH2:23]([C:30]1[O:31][C:32]([CH3:36])=[C:33]([CH3:35])[C:34]=1[C:6]([C:5]1[CH:9]=[C:10]([CH2:14][CH3:15])[C:11]([O:12][CH3:13])=[C:3]([CH2:1][CH3:2])[CH:4]=1)=[O:8])[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1参加物
5
実験手順
The title compound was prepared according to the procedure in Example 5, step 2, using 3,5-diethyl-4-methoxybenzoic acid (10.66 g, 51.3 mmol), oxalyl chloride (4.90 mL, 56.3 mmol), N,N-DMF (2 drops), tin IV chloride (6.60 mL, 56.3 mmol) and 2-benzyl-4,5-dimethylfuran (11.4 g, 61.3 mmol) to give 22.0 g, of the title compound. 1H NMR δ1.13 (t, 6H), 1.83 (s, 3H), 2.19 (s, 3H), 2.61 (q, 4H), 3.74 (s, 3H), 3.82 (s, 2H), 7.05 (d, 2H), 7.23-7.27 (m, 3H), 7.42 (s, 2H). mass spectrum (EI), m/z 376 (M+).
後処理
- customThe title compound was prepared
- customto give 22.0 g
出典と根拠
- ORDレコード
- ord-c3d08b1ee743495d8db61d4fa1939c14
- 出典データセット
- uspto-grants-2001_06
- 特許番号
- US06248764B1
反応ノート
読み込み中…