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1,2-Dichloroethane → 4-(4-Chlorophenyl)-2-methyl-N-(3-methyl-1H-indazol-5-yl)-6-oxo-1,4,5,6-tetrahydro-3-pyridinecarboxamide

HRID 734720
Notes
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Reaction equation

HRID 734720 reaction equation
[CH3:1][C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([NH2:11])[CH:9]=2)[NH:4][N:3]=1.[Cl:12][C:13]1[CH:18]=[CH:17][C:16]([CH:19]2[CH2:24][C:23](=[O:25])[NH:22][C:21]([CH3:26])=[C:20]2[C:27](O)=[O:28])=[CH:15][CH:14]=1.C(Cl)CCl.CCN(CC)CC>CN(C=O)C.CCOC(C)=O.Cl>[Cl:12][C:13]1[CH:14]=[CH:15][C:16]([CH:19]2[CH2:24][C:23](=[O:25])[NH:22][C:21]([CH3:26])=[C:20]2[C:27]([NH:11][C:8]2[CH:9]=[C:10]3[C:5](=[CH:6][CH:7]=2)[NH:4][N:3]=[C:2]3[CH3:1])=[O:28])=[CH:17][CH:18]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 111,2-DichloroethaneHCID 8471TriethylamineHCID 534357904-(4-Chlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylic acidHCID 178434299HCID 178434299, compound

Product 1

HCID 1784292364-(4-Chlorophenyl)-2-methyl-N-(3-methyl-1H-indazol-5-yl)-6-oxo-1,4,5,6-tetrahydro-3-pyridinecarboxamideYield 24%

Reagents, catalysts & solvents 3

HCID 313Hydrochloric AcidSolventHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

3-Methyl-1H-indazol-5-amine (166 mg, 1.129 mmol, 1.0 equiv) was combined with the product from Example 4, Step 2 (300 mg, 1.129 mmol, 1.0 equiv), EDC (260 mg, 1.355 mmol, 1.2 equiv) and Et3N (189 μL, 1.355 mmol, 1.2 equiv) in DMF (3 mL) and stirred at room temperature for 18 hours. The reaction mixture was diluted with EtOAc and 1N HCl. The phases were separated, and the organic phase was washed twice with 1N HCl, once with satd. NaHCO3, and once with satd. NaCl. The organic phase was concentrated en vacuo. The residue was purified by flash chromatography (20-100% EtOAc in Hexanes) to provide 105 mg (24%) of the title compound as an off white solid. MS (ES+) m/e 446 [M+H]+

Workup

  1. customThe phases were separated
  2. washthe organic phase was washed twice with 1N HCl, once with satd
  3. concentrationThe organic phase was concentrated en vacuo
  4. customThe residue was purified by flash chromatography (20-100% EtOAc in Hexanes)

Sources & evidence

ORD record
ord-57a0222199ba43efac7f83f6fa3cad95
Source dataset
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07592357B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes