Potassium Carbonate → HCID 10142490, compound

HRID 861126Notes

Reaction equation

HRID 861126 reaction equation
Br[C:2]1[CH:3]=[C:4]([C:8]2[C:22]([C:23]3[CH:28]=[CH:27][N:26]=[C:25]([NH:29][CH:30]4[CH2:34][CH2:33][CH2:32][CH2:31]4)[N:24]=3)=[C:11]3[CH:12]=[CH:13][CH:14]=[C:15]([NH:16][CH:17]4[CH2:21][CH2:20][CH2:19][CH2:18]4)[N:10]3[N:9]=2)[CH:5]=[CH:6][CH:7]=1.[C:35]1(B(O)O)[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=1.C(=O)([O-])[O-].[K+].[K+].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>CN(C)C=O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C.O.C(OCC)(=O)C>[C:2]1([C:35]2[CH:40]=[CH:39][CH:38]=[CH:37][CH:36]=2)[CH:7]=[CH:6][CH:5]=[C:4]([C:8]2[C:22]([C:23]3[CH:28]=[CH:27][N:26]=[C:25]([NH:29][CH:30]4[CH2:34][CH2:33][CH2:32][CH2:31]4)[N:24]=3)=[C:11]3[CH:12]=[CH:13][CH:14]=[C:15]([NH:16][CH:17]4[CH2:21][CH2:20][CH2:19][CH2:18]4)[N:10]3[N:9]=2)[CH:3]=1

Participants

9

Reactant 4

HCID 11430Potassium CarbonateHCID 11776TriphenylphosphineHCID 66827Phenylboronic AcidHCID 10142612HCID 10142612, compound

Product 1

HCID 10142490HCID 10142490, compoundYield 89%

Reagents, catalysts & solvents 4

HCID 167845palladium(II) acetateCatalystHCID 962WaterSolventHCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
100 °C

Procedure

To a solution of 2-(3-bromophenyl)-N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]pyrazolo[1,5-a]pyridin-7-amine (100 mg, 0.19 mmol) in dimethylformamide (6 mL) was added phenylboronic acid (47 mg, 0.39 mmol), palladium (II) acetate (4.3 mg, 0.02 mmol), potassium carbonate (54 mg, 0.39 mmol) and triphenyl phosphine (30 mg, 0.08 mmol). The reaction was heated at 100° C. for 24 hours. After allowing the reaction mixture to cool to room temperature, ethyl acetate and water were added. The organic layer was separated and washed with water, then brine and dried (magnesium sulfate). Filtration and concentration, followed by purification with flash chromatography (4:6 ethyl acetate:hexanes) gave 2-[1,1′-biphenyl]-3-yl-N-cyclopentyl-3-[2-(cyclopentylamino)-4-pyrimidinyl]pyrazolo[1,5-a]pyridin-7-amine as a yellow foam (87 mg, 89%). 1H NMR (CDCl3): δ 8.01 (d, 1H), 7.92 (s, 1H), 7.81 (d, 1H), 7.69–7.62 (m, 4H), 7.53 (t, 1H), 7.47–7.43 (m, 2H), 7.38–7.32 (m, 2H), 6.40 (d, 1H), 6.09–6.05 (m, 2H), 5.16 (m, 1H), 4.37 (m, 1H), 4.03 (m, 1H), 2.15–2.06 (m, 4H), 1.82–1.64 (m, 12H); MS m/z 515 (M+1).

Workup

  1. temperatureto cool to room temperature
  2. customThe organic layer was separated
  3. washwashed with water
  4. dry with materialbrine and dried (magnesium sulfate)
  5. filtrationFiltration and concentration
  6. customfollowed by purification with flash chromatography (4:6 ethyl acetate:hexanes)

Sources & evidence

ORD record
ord-6e8d1c3ab2894304a8f41b5c835d4ba4
Source dataset
uspto-grants-2006_12
Patent number
US07153855B2

Reaction notes

Loading…