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Triethylamine → N-[5-(dimethylamino)-1-(4-fluorophenyl)pyrazol-4-yl]-2-[2-methyl-4-(trifluoromethyl)imidazol-1-yl]propanamide

HRID 1754379
ノート
印刷プレビュー

反応式

HRID 1754379 の反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12]([N:13]([CH3:15])[CH3:14])=[C:11]([NH2:16])[CH:10]=[N:9]2)=[CH:4][CH:3]=1.[CH3:17][C:18]1[N:19]([CH:27]([CH3:31])[C:28](O)=[O:29])[CH:20]=[C:21]([C:23]([F:26])([F:25])[F:24])[N:22]=1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(CC)CC>C(Cl)Cl.C(=O)(O)[O-].[Na+]>[CH3:15][N:13]([CH3:14])[C:12]1[N:8]([C:5]2[CH:4]=[CH:3][C:2]([F:1])=[CH:7][CH:6]=2)[N:9]=[CH:10][C:11]=1[NH:16][C:28](=[O:29])[CH:27]([N:19]1[CH:20]=[C:21]([C:23]([F:24])([F:26])[F:25])[N:22]=[C:18]1[CH3:17])[CH3:31]
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 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 867116772-[2-Methyl-4-(trifluoromethyl)imidazol-1-yl]propanoic acidHCID 867243832-(4-fluorophenyl)-N3,N3-dimethyl-pyrazole-3,4-diamine

生成物 1

HCID 86724382
N-[5-(dimethylamino)-1-(4-fluorophenyl)pyrazol-4-yl]-2-[2-methyl-4-(trifluoromethyl)imidazol-1-yl]propanamide
収率 25%

試薬・触媒・溶媒 2

HCID 6344Dichloromethane溶媒HCID 516892Sodium Bicarbonate溶媒

実験手順

A mixture of crude 2-(4-fluorophenyl)-N3,N3-dimethyl-pyrazole-3,4-diamine (from step b, 0.042 g, 0.18 mmol), 2-[2-methyl-4-(trifluoromethyl)imidazol-1-yl]propanoic acid (0.060 g, 0.27 mmol), HATU (0.10 g, 0.27 mmol), and 100 μL of Et3N in 1 mL of CH2Cl2 was stirred at room temperature. After 30 minutes, the reaction mixture was diluted with 10 mL of aqueous saturated sodium bicarbonate and extracted with EtOAc. The organic layer was washed with brine, dried (Na2SO4), filtered, and concentrated in vacuo. Purification by reverse phase HPLC (C18 column, acetonitrile-H2O with 0.1% TFA as eluent) afforded the title compound as a colorless solid (0.019 g, 0.045 mmol, 25% for 3 steps). 1H NMR (400 MHz, CDCl3) δ 7.77 (s, 1H), 7.53-7.43 (m, 2H), 7.27 (s, 1H), 7.17-7.08 (m, 2H), 6.91 (s, 1H), 4.90 (q, J=7.2 Hz, 1H), 2.53 (s, 6H), 2.45 (s, 3H), 1.85 (d, J=7.2 Hz, 3H). MS: (ES) m/z calculated for C19H20F4N6O1 [M+H]+ 424.2, found 424.1.

後処理

  1. extractionextracted with EtOAc
  2. washThe organic layer was washed with brine
  3. dry with materialdried (Na2SO4)
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customPurification by reverse phase HPLC (C18 column, acetonitrile-H2O with 0.1% TFA as eluent)

出典と根拠

ORDレコード
ord-26c9448fdcc140bfbf58531aa028473a
出典データセット
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09169248B2

反応ノート

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