Potassium Carbonate → HCID 44818220, compound

HRID 1962118Notes

Reaction equation

HRID 1962118 reaction equation
Cl.[CH3:2][N:3]([CH3:33])[C:4]([C:6]1[N:27]([CH:28]2[CH2:32][CH2:31][CH2:30][CH2:29]2)[C:9]2[N:10]=[C:11]([NH:14][C:15]3[CH:20]=[CH:19][C:18]([N:21]4[CH2:26][CH2:25][NH:24][CH2:23][CH2:22]4)=[CH:17][N:16]=3)[N:12]=[CH:13][C:8]=2[CH:7]=1)=[O:5].C(=O)([O-])[O-].[K+].[K+].Br[CH2:41][CH2:42][F:43]>C(#N)C.CN(C=O)C>[CH3:2][N:3]([CH3:33])[C:4]([C:6]1[N:27]([CH:28]2[CH2:32][CH2:31][CH2:30][CH2:29]2)[C:9]2[N:10]=[C:11]([NH:14][C:15]3[CH:20]=[CH:19][C:18]([N:21]4[CH2:22][CH2:23][N:24]([CH2:41][CH2:42][F:43])[CH2:25][CH2:26]4)=[CH:17][N:16]=3)[N:12]=[CH:13][C:8]=2[CH:7]=1)=[O:5]

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 129822-Fluoroethyl bromideHCID 67242274Ribociclib hydrochloride

Product 1

HCID 44818220HCID 44818220, compoundYield 55%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 6342AcetonitrileSolvent

Conditions

Temperature
80 °C

Procedure

To a solution of 7-cyclopentyl-2-(5-piperazin-1-yl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide hydrochloride (150 mg, 0.318 mmol) and potassium carbonate (132 mg, 0.955 mmol) in acetonitrile (3 mL) and DMF (2 mL) is added 1-bromo-2-fluoroethane (0.035 mL, 0.478 mmol) and the reaction mixture is heated to 80° C. for 24 h in a sealed reaction vial. Upon cooling, the reaction mixture is partitioned between dichloromethane and water. The organic layer is separated and the aqueous layer extracted further with dichloromethane. The combined organics are ished with brine, dried (MgSO4), filtered and concentrated. The crude product is purified using silica gel chromatography (0 to 10% methanol/dichloromethane) to give 7-cyclopentyl-2-{5-[4-(2-fluoro-ethyl)-piperazin-1-yl]-pyridin-2-ylamino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (84 mg, 55%) as an off white solid.

Workup

  1. temperatureUpon cooling
  2. customthe reaction mixture is partitioned between dichloromethane and water
  3. customThe organic layer is separated
  4. extractionthe aqueous layer extracted further with dichloromethane
  5. dry with materialdried (MgSO4)
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe crude product is purified

Sources & evidence

ORD record
ord-ed5bfb9d28ff400daef3e0e0812badc7
Source dataset
uspto-grants-2013_04
Patent number
US08415355B2

Reaction notes

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