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Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) → (-)-2-(6,7-difluoro-1H-benzimidazol-1-yl)-N-{1-[4-(1-cyano-1-methylethyl)-3-methylphenyl]ethyl}acetamide

HRID 420008
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HRID 420008 반응식
[F:1][C:2]1[CH:3]=[CH:4][C:5]2[N:9]=[CH:8][N:7]([CH2:10][C:11]([OH:13])=O)[C:6]=2[C:14]=1[F:15].[NH2:16][CH:17]([C:19]1[CH:24]=[CH:23][C:22]([C:25]([CH3:29])([CH3:28])[C:26]#[N:27])=[C:21]([CH3:30])[CH:20]=1)[CH3:18].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C1C=CN=CC=1)C.CN(C=O)C.CCOC(C)=O>[F:1][C:2]1[CH:3]=[CH:4][C:5]2[N:9]=[CH:8][N:7]([CH2:10][C:11]([NH:16][CH:17]([C:19]3[CH:24]=[CH:23][C:22]([C:25]([C:26]#[N:27])([CH3:29])[CH3:28])=[C:21]([CH3:30])[CH:20]=3)[CH3:18])=[O:13])[C:6]=2[C:14]=1[F:15]
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참가 물질

7

반응물 3

HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 57939018(6,7-difluoro-1H-benzimidazol-1-yl)acetic acidHCID 582984602-[4-(1-Aminoethyl)-2-methylphenyl]-2-methylpropanenitrile

생성물 1

HCID 24850224(-)-2-(6,7-difluoro-1H-benzimidazol-1-yl)-N-{1-[4-(1-cyano-1-methylethyl)-3-methylphenyl]ethyl}acetamide수율 67%

시약·촉매·용매

3
HCID 142844-(Dimethylamino)pyridine촉매HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of (6,7-difluoro-1H-benzimidazol-1-yl)acetic acid (500 mg, 2.36 mmol) prepared according to scheme 2, 2-{4-[1-aminoethyl]-2-methylphenyl}-2-methylpropanenitrile (477 mg, 2.36 mmol) prepared according to scheme 16 and DMAP (570 mg, 4.71 mmol) stirred in anhydrous DMF (4.0 mL) is added HATU (896 mg, 2.36 mmol) after 18 hours of stirring, the mixture is diluted with EtOAc (100 mL). The organic phase is washed with distilled water, dried over anhydrous MgSO4. The mixture is filtered and concentrated. The product is purified on a preparative LCMS system equipped with a Synergi Polar (4u) 21.2×50 mm column, mobile phase: A=water (0.1% TFA), B=MeCN using a short 40 to 60% B 10 min. gradient method. The pure fractions are combined the TFA neutralized with a 4N NaOH solution and then extracted with ethyl acetate which is separated dried over anhydrous Na2SO4, filtered and concentrated under reduced pressure to provide the expected product (+) and (−)-2-(6,7-difluoro-1H-benzimidazol-1-yl)-N-{1-[4-(1-cyano-1-methylethyl)-3-methylphenyl]ethyl}acetamide (627 mg, 67%) as a white solid. 1H NMR (400 MHz, METHANOL-D4) δ ppm 1.48 (d, J=7.03 Hz, 3 H) 1.75 (s, 6H) 2.61 (s, 3H) 4.99 (q, J=7.03 Hz, 1H) 5.12 (s, 2H) 7.12-7.25 (m, 3H) 7.33 (d, J=8.20 Hz, 1H) 7.42 (ddd, J=8.89, 3.61, 1.17 Hz, 1H) 8.13 (s, 1H), MS [M+H], calcd: 397.2. found: 397.2.

후처리

  1. customprepared
  2. washThe organic phase is washed with distilled water
  3. dry with materialdried over anhydrous MgSO4
  4. filtrationThe mixture is filtered
  5. concentrationconcentrated
  6. customThe product is purified on a preparative LCMS system
  7. customequipped with a Synergi Polar (4u) 21.2×50 mm column, mobile phase
  8. customa short 40 to 60% B 10 min. gradient method
  9. extractionextracted with ethyl acetate which
  10. customis separated
  11. dry with materialdried over anhydrous Na2SO4
  12. filtrationfiltered
  13. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-f8e68892395f440a9aac8d04cfd721fc
출처 데이터셋
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08093402B2

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