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Pyridine → 1-(4-Chloro-5-(1-ethyl-7-(1-methylpyrrolidin-3-ylamino)-2-oxo-1,2-dihydro-1,6-naphthyridin-3-yl)-2-fluorophenyl)-3-phenylurea

HRID 1257217
Notes
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Reaction equation

HRID 1257217 reaction equation
[NH2:1][C:2]1[C:3]([F:29])=[CH:4][C:5]([Cl:28])=[C:6]([C:8]2[C:9](=[O:27])[N:10]([CH2:25][CH3:26])[C:11]3[C:16]([CH:17]=2)=[CH:15][N:14]=[C:13]([NH:18][CH:19]2[CH2:23][CH2:22][N:21]([CH3:24])[CH2:20]2)[CH:12]=3)[CH:7]=1.N1C=CC=CC=1.[C:36]1([N:42]=[C:43]=[O:44])[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1>C(Cl)Cl>[Cl:28][C:5]1[C:6]([C:8]2[C:9](=[O:27])[N:10]([CH2:25][CH3:26])[C:11]3[C:16]([CH:17]=2)=[CH:15][N:14]=[C:13]([NH:18][CH:19]2[CH2:23][CH2:22][N:21]([CH3:24])[CH2:20]2)[CH:12]=3)=[CH:7][C:2]([NH:1][C:43]([NH:42][C:36]2[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=2)=[O:44])=[C:3]([F:29])[CH:4]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 1049PyridineHCID 7672Phenyl isocyanateHCID 867136543-(5-amino-2-chloro-4-fluorophenyl)-1-ethyl-7-(1-methylpyrrolidin-3-ylamino)-1,6-naphthyridin-2(1H)-one

Product 1

HCID 734424711-(4-Chloro-5-(1-ethyl-7-(1-methylpyrrolidin-3-ylamino)-2-oxo-1,2-dihydro-1,6-naphthyridin-3-yl)-2-fluorophenyl)-3-phenylureaYield 8.4%

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a solution of 3-(5-amino-2-chloro-4-fluorophenyl)-1-ethyl-7-(1-methylpyrrolidin-3-ylamino)-1,6-naphthyridin-2(1H)-one (500 mg, 1.20 mmol) and pyridine (140 mg, 1.8 mmol) in DCM (20 mL) was added phenyl isocyanate (215 mg, 1.8 mmol). The mixture was stirred at RT overnight, concentrated, and purified by prep-HPLC separation to give 1-(4-chloro-5-(1-ethyl-7-(1-methylpyrrolidin-3-ylamino)-2-oxo-1,2-dihydro-1,6-naphthyridin-3-yl)-2-fluorophenyl)-3-phenylurea (53 mg, 8.4% yield) as a pale yellow solid. 1H NMR (400 MHz, DMSO-d6): δ 9.08 (s, 1H), 8.67 (s, 1H), 8.40 (s, 1H), 8.17 (d, J=8.8 Hz, 1H), 7.73 (s, 1H), 7.53 (d, J=11.2 Hz, 1H), 7.41 (d, J=7.6 Hz, 2H), 7.28-7.23 (m, 3H), 6.98-6.95 (m, 1H), 6.35 (s, 1H), 4.39 (s, 1H), 4.11-4.09 (m, 2H), 2.77-2.71 (m, 1H), 2.65-2.61 (m, 1H), 2.44-2.36 (m, 2H), 2.26 (s, 3H), 2.23-2.20 (m, 1H), 1.68-1.62 (m, 1H), 1.64 (t, J=7.2 Hz, 3H).

Workup

  1. concentrationconcentrated
  2. custompurified by prep-HPLC separation

Sources & evidence

ORD record
ord-25e4c641fb96475a84f406ba747ff133
Source dataset
uspto-grants-2013_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08461179B1

Reaction notes

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