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1-Hydroxybenzotriazole → 5-Phenylamino-pyridine-2-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide

HRID 1093663
Notes
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Reaction equation

HRID 1093663 reaction equation
[C:1]1([NH:7][C:8]2[CH:9]=[CH:10][C:11]([C:14]([NH:16][CH2:17][C:18]([OH:20])=O)=[O:15])=[N:12][CH:13]=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.[NH:54]1[CH2:59][CH2:58][CH:57]([NH:60][C:61]2[CH:66]=[CH:65][CH:64]=[CH:63][C:62]=2[Cl:67])[CH2:56][CH2:55]1>CN(C=O)C.O>[Cl:67][C:62]1[CH:63]=[CH:64][CH:65]=[CH:66][C:61]=1[NH:60][CH:57]1[CH2:58][CH2:59][N:54]([C:18](=[O:20])[CH2:17][NH:16][C:14]([C:11]2[CH:10]=[CH:9][C:8]([NH:7][C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)=[CH:13][N:12]=2)=[O:15])[CH2:55][CH2:56]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 57874471[(5-Phenylamino-pyridine-2-carbonyl)-amino]-acetic acidHCID 66591362(2-Chloro-phenyl)-piperidin-4-yl-amine dihydrochloride

Product 1

HCID 44233265
5-Phenylamino-pyridine-2-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide
Yield 64%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

To a stirred solution of [(5-phenylamino-pyridine-2-carbonyl)-amino]-acetic acid (0.035 g, 0.00013 mol) in DMF (1 mL) was added DIPEA (0.05 g, 0.00039 mol), HOBt (0.0209 g, 0.00015 mol) and EDCI.HCl (0.0296 g, 0.00015 mol) at ambient temperature. After 2 minutes piperidin-4-yl-(2-chloro-phenyl)-amine dihydrochloride (0.0382 g, 0.00015 mol) was added and the resulting mixture was stirred overnight. The reaction mixture was then diluted with cold water and the resulting precipitate was isolated by filtration and dried to afford 0.038 g (64%) of 5-phenylamino-pyridine-2-carboxylic acid {2-[4-(2-chloro-phenylamino)-piperidin-1-yl]-2-oxo-ethyl}-amide. LCMS: 464.18 (M+1)+, 92.88%, 1H NMR (DMSO-d6): δ 8.9 (s, 1H), 8.5 (t, 1H), 8.3 (d, 1H), 7.9 (d, 1H), 7.55 (dd, 1H), 7.35 (t, 2H), 7.2 (m, 4H), 7.0 (t, 1H), 6.9 (d, 1H), 6.6 (t, 1H), 4.9 (d, 1H), 4.35 (d, 1H), 4.2 (d, 2H), 3.85 (d, 1H), 3.55 (s, 1H), 3.2 (m, 2H), 2.85 (m, 1H), 1.95 (t, 2H), 1.5 (m, 1H), 1.35 (m, 1H).

Workup

  1. customthe resulting precipitate was isolated by filtration
  2. customdried

Sources & evidence

ORD record
ord-12cf79792d6a4df4872086b0033a4e32
Source dataset
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08129376B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes