1-Hydroxybenzotriazole → 3-[4-(2-bromo-phenylamino)-piperidin-1-yl]-3-oxo-N-(6-phenyl-pyridin-3-yl)-propionamide

HRID 1093691Notes

Reaction equation

HRID 1093691 reaction equation
[C:1]1([C:7]2[N:12]=[CH:11][C:10]([NH:13][C:14](=[O:19])[CH2:15][C:16]([OH:18])=O)=[CH:9][CH:8]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.CCN(C(C)C)C(C)C.C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C.Cl.Cl.Cl.[Br:53][C:54]1[CH:59]=[CH:58][CH:57]=[CH:56][C:55]=1[NH:60][CH:61]1[CH2:66][CH2:65][NH:64][CH2:63][CH2:62]1>CN(C=O)C.O>[Br:53][C:54]1[CH:59]=[CH:58][CH:57]=[CH:56][C:55]=1[NH:60][CH:61]1[CH2:66][CH2:65][N:64]([C:16](=[O:18])[CH2:15][C:14]([NH:13][C:10]2[CH:11]=[N:12][C:7]([C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)=[CH:8][CH:9]=2)=[O:19])[CH2:63][CH2:62]1

Participants

8

Reactant 5

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 57874490N-(6-phenyl-pyridin-3-yl)-malonamic acidHCID 66545672N-(2-Bromophenyl)piperidin-4-amine dihydrochloride

Product 1

HCID 578744863-[4-(2-bromo-phenylamino)-piperidin-1-yl]-3-oxo-N-(6-phenyl-pyridin-3-yl)-propionamideYield 66%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

To a stirred solution of N-(6-phenyl-pyridin-3-yl)-malonamic acid (0.07 g, 0.00024 mole) in DMF (2 mL) was added DIPEA (0.153 g, 0.00120 mole), HOBt (0.039 g, 0.00029 mole) and EDCI.HCl (0.055 g, 0.00029 mole). After 2 minutes (2-bromo-phenyl)-piperidin-4-yl-amine dihydrochloride (0.093 g, 0.00029 mole) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the product was extracted with ethyl acetate. The organic layer was washed with brine solution, dried over sodium sulfate and concentrated under reduced pressure to afford 77.9 mg (66%) of 3-[4-(2-bromo-phenylamino)-piperidin-1-yl]-3-oxo-N-(6-phenyl-pyridin-3-yl)-propionamide. LC-MS purity: 493.12 (M+1)+, 99.22%, 1H NMR (DMSO-d6): δ 10.5 (s, 1H), 8.8 (d, 1H), 8.2 (dd, 1H), 8.1 (d, 1H), 8.0 (d, 1H), 7.6-7.4 (m, 4H), 7.2 (t, 1H), 6.9 (d, 1H), 6.6 (t, 1H), 4.7 (d, 1H), 4.4 (d, 1H), 4.0 (d, 1H), 3.7-3.6 (m, 3H), 3.3-3.2 (m, 1H), 2.0 (t, 2H), 1.6-1.5 (m, 1H), 1.4-1.3 (m, 1H).

Workup

  1. extractionthe product was extracted with ethyl acetate
  2. washThe organic layer was washed with brine solution
  3. dry with materialdried over sodium sulfate
  4. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-7da07fbb955844f38a1a2f62953b4dea
Source dataset
uspto-grants-2012_03
Patent number
US08129376B2

Reaction notes

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