反応式
[H-].[Na+].[C:3]([C:7]1[CH:12]=[CH:11][C:10]([CH:13]2[CH2:15][CH:14]2[C:16]([NH:18]/[N:19]=[CH:20]/[C:21]2[CH:30]=[CH:29][CH:28]=[C:27]3[C:22]=2[CH:23]=[CH:24][N:25]=[CH:26]3)=[O:17])=[CH:9][CH:8]=1)([CH3:6])([CH3:5])[CH3:4].[CH3:31]I>CN(C=O)C>[C:3]([C:7]1[CH:12]=[CH:11][C:10]([CH:13]2[CH2:15][CH:14]2[C:16]([N:18]([CH3:31])/[N:19]=[CH:20]/[C:21]2[CH:30]=[CH:29][CH:28]=[C:27]3[C:22]=2[CH:23]=[CH:24][N:25]=[CH:26]3)=[O:17])=[CH:9][CH:8]=1)([CH3:6])([CH3:4])[CH3:5]参加物
反応条件
- 温度
- 0 °C
実験手順
To a 0° C. suspension of NaH (16 mg, 0.6 mmol) in DMF (1 mL), (E)-2-(4-tert-butylphenyl)-N′-(isoquinolin-5-ylmethylene)cyclopropanecarbohydrazide (200 mg, 0.53 mmol) was added portionwise under nitrogen atmosphere. After being stirred for 1 h at 0° C., MeI (0.15 g, 1.0 mmol) was added and the reaction mixture stirred at RT for 1 h. The reaction mixture was then quenched with ice water and stirred for an additional 10 minutes. The precipitated solid was filtered and dried in vacuo to obtain the crude product. The crude material was purified via silica gel column chromatography using 20% ethyl acetate in hexanes to afford (E)-2-(4-tert-butylphenyl)-N′-(isoquinolin-5-ylmethylene)-N-methylcyclopropanecarbohydrazide (30 mg, 50%) as an off-white solid. 1H NMR (500 MHz, CDCl3): δ 9.24 (bs, 1 H), 8.50-8.41 (m, 1 H), 8.26-8.20 (m, 1 H), 8.02-7.94 (m, 2 H), 7.66-7.58 (m, 2 H), 7.39 (d, J=7.2 Hz, 2 H), 7.14 (d, J=7.2 Hz, 2 H), 3.28 (s, 3 H), 3.39-3.12 (m, 1 H), 2.63-2.56 (m, 1 H), 1.84-1.78 (m, 1 H), 1.49-1.38 (m, 1 H), 1.37 (s, 9 H). MS: M+H: m/z=386.2 and HPLC: 91%, (Condition-G).
後処理
- additionwas added portionwise under nitrogen atmosphere
- stirringthe reaction mixture stirred at RT for 1 h
- customThe reaction mixture was then quenched with ice water
- stirringstirred for an additional 10 minutes
- filtrationThe precipitated solid was filtered
- customdried in vacuo
- customto obtain the crude product
- customThe crude material was purified via silica gel column chromatography
出典と根拠
- ORDレコード
- ord-e11d2896179c490c9406318bd0c42ef8
- 出典データセット
- uspto-grants-2013_07
- 特許番号
- US08481532B2
関連ノート
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