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Methyl iodide → Methyl-[2-phenyl-3-(toluene-4-sulfonyl)-3-aza-bicyclo[3.1.0]hex-1-yl]-carbamic acid tert-butyl ester

HRID 1295352
ノート
印刷プレビュー

反応式

HRID 1295352 の反応式
[C:1]([O:5][C:6](=[O:30])[NH:7][C:8]12[CH2:13][CH:12]1[CH2:11][N:10]([S:14]([C:17]1[CH:22]=[CH:21][C:20]([CH3:23])=[CH:19][CH:18]=1)(=[O:16])=[O:15])[CH:9]2[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1)([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH3:33]I>CN(C=O)C>[C:1]([O:5][C:6](=[O:30])[N:7]([CH3:33])[C:8]12[CH2:13][CH:12]1[CH2:11][N:10]([S:14]([C:17]1[CH:18]=[CH:19][C:20]([CH3:23])=[CH:21][CH:22]=1)(=[O:16])=[O:15])[CH:9]2[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1)([CH3:4])([CH3:2])[CH3:3]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 69337282Racemic [2-phenyl-3-(toluene-4-sulfonyl)-3-aza-bicyclo[3.1.0]hex-1-yl]-carbamic acid tert-butyl ester2 回

生成物 1

HCID 69336275Methyl-[2-phenyl-3-(toluene-4-sulfonyl)-3-aza-bicyclo[3.1.0]hex-1-yl]-carbamic acid tert-butyl ester収率 105.6%

試薬・触媒・溶媒 1

HCID 6228
Dimethylformamide
溶媒

反応条件

温度
0 °C

実験手順

The starting material, racemic [2-phenyl-3-(toluene-4-sulfonyl)-3-aza-bicyclo[3.1.0]hex-1-yl]-carbamic acid tert-butyl ester (Intermediate 8) (0.6 g, 1.4 mmol) was slurried in DMF (5 mL) and the mixture was cooled to 0° C. Sodium hydride (oil free, 0.05 g, 2.1 mmol) was added in portions and the reaction was then stirred for 0.75 hours at room temperature. Methyl iodide (0.13 mL, 2.1 mmol) was added and the reaction stirred an additional hour at room temperature. The mixture was partitioned between 1N lithium chloride solution and EtOAc. The organics were washed with brine and dried over calcium sulfate, filtered and concentrated to give methyl-[2-phenyl-3-(toluene-4-sulfonyl)-3-aza-bicyclo[3.1.0]hex-1-yl]-carbamic acid tert-butyl ester as a yellow crystalline solid (0.654 g, 105%) which contained approximately 0.33 mol % of DMF by 1HNMR.

後処理

  1. stirringthe reaction stirred an additional hour at room temperature
  2. customThe mixture was partitioned between 1N lithium chloride solution and EtOAc
  3. washThe organics were washed with brine
  4. dry with materialdried over calcium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated

出典と根拠

ORDレコード
ord-9be31b6dbfe14b48b4f26cc1c9a2dcb5
出典データセット
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07241798B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート