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Triethylamine → 3-{4-[2-({[(4-biphenylsulfonyl)amino]carbonyl}amino)ethyl]phenyl}-2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine

HRID 50426
ノート
印刷プレビュー

反応式

HRID 50426 の反応式
[CH2:1]([C:3]1[N:13]([C:14]2[CH:19]=[CH:18][C:17]([CH2:20][CH2:21][NH:22][C:23]([NH:25][S:26]([C:29]3[CH:34]=[CH:33][C:32]([CH3:35])=[CH:31][CH:30]=3)(=[O:28])=[O:27])=[O:24])=[CH:16][CH:15]=2)[C:6]2=[N:7][C:8]([CH3:12])=[CH:9][C:10]([CH3:11])=[C:5]2[N:4]=1)[CH3:2].C(N(CC)CC)C.ClC(O[C:47]1[CH:52]=[CH:51]C=[CH:49][CH:48]=1)=O>ClCCl>[C:32]1([C:35]2[CH:51]=[CH:52][CH:47]=[CH:48][CH:49]=2)[CH:33]=[CH:34][C:29]([S:26]([NH:25][C:23]([NH:22][CH2:21][CH2:20][C:17]2[CH:16]=[CH:15][C:14]([N:13]3[C:6]4=[N:7][C:8]([CH3:12])=[CH:9][C:10]([CH3:11])=[C:5]4[N:4]=[C:3]3[CH2:1][CH3:2])=[CH:19][CH:18]=2)=[O:24])(=[O:28])=[O:27])=[CH:30][CH:31]=1
参加物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 8471TriethylamineHCID 15891Phenyl chloroformateHCID 99353672-ETHYL-5,7-DIMETHYL-3-(4-{2-[({[(4-METHYLPHENYL)SULFONYL]AMINO}CARBONYL)AMINO]ETHYL}PHENYL)-3H-IMIDAZO[4,5-b]PYRIDINE

生成物 1

HCID 218756193-{4-[2-({[(4-biphenylsulfonyl)amino]carbonyl}amino)ethyl]phenyl}-2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridine収率 87%

試薬・触媒・溶媒 1

HCID 6344
Dichloromethane
溶媒

実験手順

To a stirred solution of 2-[4-(2-ethyl-5,7-dimethyl-3H-imidazo[4,5-b]pyridin-3-yl)phenyl]ethylamine (step 9 of Example 1, 1.55 g, 5.3 mmol) and triethylamine (0.80 mL, 5.8 mmol) in dichloromethane (26 mL) cooled in an ice bath was added dropwise phenyl chloroformate (0.69 mL, 5.5 mmol), and the mixture was stirred at ambient temperature. After 30 min, the reaction mixture was partitioned between saturated aqueous sodium bicarbonate (30 mL) and dichloromethane (30 mL). The organic layer was separated and the aqueous phase was extracted with dichloromethane (30 mL). The combined organic phases were dried (Na2SO4) and concentrated under reduced pressure. The residue was recrystallized from dichloromethane/hexane to give 1.90 g (87%) of the title compound as pale brown crystals: 1H-NMR (CDCl3) δ 7.43-7.11 (9H, m), 6.91 (1H, s), 5.50 (1H, br.s), 3.57 (2H, pseudo q, J=6.9 Hz), 2.98 (2H, t, J=6.9 Hz), 2.83 (2H, q, J=7.6 Hz), 2.66 (3H, s), 2.52 (3H, s), 1.28 (3H, t, J=7.6 Hz).

後処理

  1. customthe reaction mixture was partitioned between saturated aqueous sodium bicarbonate (30 mL) and dichloromethane (30 mL)
  2. customThe organic layer was separated
  3. extractionthe aqueous phase was extracted with dichloromethane (30 mL)
  4. dry with materialThe combined organic phases were dried (Na2SO4)
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was recrystallized from dichloromethane/hexane

出典と根拠

ORDレコード
ord-0dd8daad3a0849c49357cf58f711d6ad
出典データセット
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06710054B2

反応ノート

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