Diethyl Ether → 3-{4-Chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazol-7-yl}-2,2,4,4-tetramethylpentan-3-ol

HRID 1698580ノート

反応式

HRID 1698580 の反応式
CC[CH2:3][CH2:4][CH3:5].[C:6]([Li])([CH3:9])([CH3:8])[CH3:7].[Cl:11][C:12]1[C:20]2[N:19]=[C:18]([NH:21][C:22]3[C:27]([CH3:28])=[CH:26][C:25]([Cl:29])=[CH:24][C:23]=3[O:30][CH3:31])[N:17]([CH3:32])[C:16]=2[C:15]([C:33]([O:35]C)=O)=[CH:14][CH:13]=1.[CH2:37](OCC)C>O>[Cl:11][C:12]1[C:20]2[N:19]=[C:18]([NH:21][C:22]3[C:27]([CH3:28])=[CH:26][C:25]([Cl:29])=[CH:24][C:23]=3[O:30][CH3:31])[N:17]([CH3:32])[C:16]=2[C:15]([C:33]([OH:35])([C:4]([CH3:3])([CH3:5])[CH3:37])[C:6]([CH3:9])([CH3:8])[CH3:7])=[CH:14][CH:13]=1

参加物

6

反応物 4

HCID 3283Diethyl EtherHCID 8003PentaneHCID 67273388Methyl 4-chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazole-7-carboxylateHCID 178418306HCID 178418306、化合物

生成物 1

HCID 580123123-{4-Chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazol-7-yl}-2,2,4,4-tetramethylpentan-3-ol収率 5%

試薬・触媒・溶媒 1

HCID 962Water溶媒

実験手順

A n-pentane solution of tert-butyl lithium (1.46 M, 0.5 ml) was added to a solution of methyl 4-chloro-2-[(4-chloro-2-methoxy-6-methylphenyl)amino]-1-methyl-1H-benzimidazole-7-carboxylate (100 mg, 0.23 mmol) in diethyl ether (5 ml) at −78° C. and stirred for 1 h. The reaction mixture was diluted with water (5 mL), stirred at room temperature for 0.5 h and extracted with ethyl acetate. The organics was dried over magnesium sulfate, filtered, and concentrated in vacuo. The residue was purified by preparative HPLC. The resultant was neutralized with aqueous sodium hydrogen carbonate and extracted with ethyl acetate. The organics were dried over magnesium sulfate, filtered, and concentrated in vacuo to give 5 mg (0.010 mmol, 5%) of the title compound.

後処理

  1. stirringstirred at room temperature for 0.5 h
  2. extractionextracted with ethyl acetate
  3. dry with materialThe organics was dried over magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by preparative HPLC
  7. extractionextracted with ethyl acetate
  8. dry with materialThe organics were dried over magnesium sulfate
  9. filtrationfiltered
  10. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-037c2eac36724987856f4c60928d8f71
出典データセット
uspto-grants-2012_04
特許番号
US08163935B2

反応ノート

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