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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → 2,6-difluoro-N-(3-(2-fluoroethoxy)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(propylsulfonamido)benzamide

HRID 1943939
ノート
印刷プレビュー

反応式

HRID 1943939 の反応式
[F:1][CH2:2][CH2:3][O:4][C:5]1[C:13]2[C:8](=[N:9][CH:10]=[C:11]([NH2:14])[CH:12]=2)[NH:7][N:6]=1.[F:15][C:16]1[C:24]([NH:25][S:26]([CH2:29][CH2:30][CH3:31])(=[O:28])=[O:27])=[CH:23][CH:22]=[C:21]([F:32])[C:17]=1[C:18](O)=[O:19].CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1>CN(C=O)C.CCOC(C)=O>[F:15][C:16]1[C:24]([NH:25][S:26]([CH2:29][CH2:30][CH3:31])(=[O:27])=[O:28])=[CH:23][CH:22]=[C:21]([F:32])[C:17]=1[C:18]([NH:14][C:11]1[CH:12]=[C:13]2[C:5]([O:4][CH2:3][CH2:2][F:1])=[N:6][NH:7][C:8]2=[N:9][CH:10]=1)=[O:19]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 442237483-(2-fluoroethoxy)-1H-pyrazolo[3,4-b]pyridin-5-amineHCID 461929232,6-Difluoro-3-[(propylsulfonyl)amino]benzoic acid

生成物 1

HCID 866525062,6-difluoro-N-(3-(2-fluoroethoxy)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(propylsulfonamido)benzamide

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

A mixture of 3-(2-fluoroethoxy)-1H-pyrazolo[3,4-b]pyridin-5-amine (0.020 g, 0.10 mmol), 2,6-difluoro-3-(propylsulfonamido)benzoic acid (0.031 g, 0.11 mmol), EDCI (0.021 g, 0.11 mmol), and HOBt (0.017 g, 0.11 mmol) in DMF (6 mL) was stirred at room temperature for 1 hour. The reaction mixture was diluted with EtOAc and washed with saturated aqueous NH4Cl, saturated aqueous NaHCO3 and brine. The organic layer was dried over MgSO4 and concentrated under reduced pressure to give 2,6-difluoro-N-(3-(2-fluoroethoxy)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(propylsulfonamido)benzamide. The crude material was purified by silica gel flash column chromatography (5% 7N NH3-MeOH in CH2Cl2) to afford 2,6-difluoro-N-(3-(2-fluoroethoxy)-1H-pyrazolo[3,4-b]pyridin-5-yl)-3-(propylsulfonamido)benzamide (41 mg, 88% yield). LRMS (ACPI pos) m/e 458.1 (M+1). 1H-NMR (400 MHz, d6-DMSO) δ 12.68 (s, 1H), 11.12 (s, 1H), 9.73 (br s, 1H), 8.58 (d, 1H), 8.54 (d, 1H), 7.55 (q, 1H), 7.27 (t, 1H), 4.90 (m, 1H), 4.78 (m, 1H), 4.63 (m, 1H), 4.55 (m, 1H), 3.12 (t, 2H), 1.76 (m, 2H), 0.99 (t, 3H); 19F NMR (376 MHz, DMSO) δ−117.3, −122.6, −223.1.

後処理

  1. washwashed with saturated aqueous NH4Cl, saturated aqueous NaHCO3 and brine
  2. dry with materialThe organic layer was dried over MgSO4
  3. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-107cf8fa4c9142caaee3fc136cff0389
出典データセット
uspto-grants-2013_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08394795B2

反応ノート

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