Ethyl Acetate → HCID 10279403, compound

HRID 1062878Notes

Reaction equation

HRID 1062878 reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([NH:8][CH:9]2[CH2:11][CH2:10]2)[N:5]2[N:12]=[C:13]([C:27]3[CH:32]=[CH:31][C:30]([OH:33])=[CH:29][CH:28]=3)[C:14]([C:15]3[CH:20]=[CH:19][N:18]=[C:17]([NH:21][CH:22]4[CH2:26][CH2:25][CH2:24][CH2:23]4)[N:16]=3)=[C:4]2[CH:3]=1.Br[CH2:35][CH:36]1[CH2:38][CH2:37]1.C(=O)([O-])[O-].[Cs+].[Cs+].C(OCC)(=O)C>C(#N)C>[Cl:1][C:2]1[CH:7]=[C:6]([NH:8][CH:9]2[CH2:10][CH2:11]2)[N:5]2[N:12]=[C:13]([C:27]3[CH:28]=[CH:29][C:30]([O:33][CH2:35][CH:36]4[CH2:38][CH2:37]4)=[CH:31][CH:32]=3)[C:14]([C:15]3[CH:20]=[CH:19][N:18]=[C:17]([NH:21][CH:22]4[CH2:23][CH2:24][CH2:25][CH2:26]4)[N:16]=3)=[C:4]2[CH:3]=1

Participants

6

Reactant 4

HCID 8857Ethyl AcetateHCID 10796Cesium carbonateHCID 81503BromomethylcyclopropaneHCID 135547859HCID 135547859, compound

Product 1

HCID 10279403HCID 10279403, compoundYield 61%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

To a solution of 4[5-chloro-3-[2-(cyclopentylamino)-4-pyrimidinyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyridin-2-yl]phenol (110 mg, 0.24 mmol) in acetonitrile was added bromomethyl cyclopropane (96 mg, 0.72 mmol) and cesium carbonate (85 mg, 0.26 mmol). The reaction mixture was heated at reflux for 6 hours. After cooling to room temperature, ethyl acetate was added to the reaction mixture. The organic phase was washed with water and brine, then dried over magnesium sulfate. Filtration and concentration, followed by flash chromatography (2:5 hexanes/ethyl acetate), gave 5-chloro-3-[2-(cyclopentylamino)-4-pyrimidinyl]-N-cyclopropyl-2-[4-(cyclopropylmethoxy)phenyl]pyrazolo[1,5-a]pyridin-7-amine (75 mg, 61%) as a yellow solid. 1H NMR (CDCl3) δ 7.97 (d, 1H), 7.90 (s, 1H), 7.50 (d, 2H), 6.95 (d, 2H), 6.38 (s, 1H), 6.32 (d, 1H), 6.28 (d, 1H), 5.13 (d, 1H), 4.36 (m, 1H), 3.85 (d, 2H), 2.64 (m, 1H), 2.10 (m, 2H), 1.80-1.66 (m, 4H), 1.55 (m, 2H), 1.30 (m, 1H), 0.88 (m, 2H), 0.74 (m, 2H), 0.66 (m, 2H), 0.39 (m, 2H). MS m/z 515 (M+1).

Workup

  1. temperatureThe reaction mixture was heated
  2. temperatureat reflux for 6 hours
  3. washThe organic phase was washed with water and brine
  4. dry with materialdried over magnesium sulfate
  5. filtrationFiltration and concentration

Sources & evidence

ORD record
ord-af0426299b1d458a97ad770aa4228da3
Source dataset
uspto-grants-2005_11
Patent number
US06962914B2

Reaction notes

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