Trifluoroacetic acid → 4-[1-(1-Cyclopentyl-2-cyclopropylethyl)-1h-pyrazol-4-yl]-7h-pyrrolo[2,3-d]pyrimidine

HRID 1843582Notes

Reaction equation

HRID 1843582 reaction equation
FC(F)(F)C(O)=O.[CH:8]1([CH:13]([N:18]2[CH:22]=[C:21]([C:23]3[C:24]4[CH:32]=[CH:31][N:30](OCC[Si](C)(C)C)[C:25]=4[N:26]=[C:27](C)[N:28]=3)[CH:20]=[N:19]2)[CH2:14][CH:15]2[CH2:17][CH2:16]2)[CH2:12][CH2:11][CH2:10][CH2:9]1.C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH:8]1([CH:13]([N:18]2[CH:22]=[C:21]([C:23]3[C:24]4[CH:32]=[CH:31][NH:30][C:25]=4[N:26]=[CH:27][N:28]=3)[CH:20]=[N:19]2)[CH2:14][CH:15]2[CH2:17][CH2:16]2)[CH2:12][CH2:11][CH2:10][CH2:9]1

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 66597726HCID 66597726, compound

Product 1

HCID 446261724-[1-(1-Cyclopentyl-2-cyclopropylethyl)-1h-pyrazol-4-yl]-7h-pyrrolo[2,3-d]pyrimidineYield 90%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

4-[1-(1-Cyclopentyl-2-cyclopropylethyl)-1H-pyrazol-4-yl]-7-[2-(trimethylsilyl)ethoxy]-methyl-7H-pyrrolo[2,3-d]pyrimidine trifluoroacetate salt (13 mg, 0.023 mol) was stirred at room temperature in a solution of DCM (2 mL) containing TFA (1.5 mL) for two hours. The solvent was removed in vacuo. The resulting residue was redissolved in THF (3 mL), and 6N NaOH (2 mL) was added. After stirring for one hour, the mixture was partitioned between water and ethyl acetate. The organic layer was dried over sodium sulfate and the solvent was removed in vacuo. Purification via preparative-HPLC/MS (C18 eluting with a gradient of H2O and ACN containing 0.1% TFA) afforded the product (9 mg, 90%).

Workup

  1. customThe solvent was removed in vacuo
  2. dissolutionThe resulting residue was redissolved in THF (3 mL)
  3. addition6N NaOH (2 mL) was added
  4. customthe mixture was partitioned between water and ethyl acetate
  5. dry with materialThe organic layer was dried over sodium sulfate
  6. customthe solvent was removed in vacuo
  7. customPurification via preparative-HPLC/MS (C18
  8. washeluting with a gradient of H2O and ACN containing 0.1% TFA)

Sources & evidence

ORD record
ord-0f55ebce0454401aac58612860f2bc9e
Source dataset
uspto-grants-2015_02
Patent number
US08946245B2

Reaction notes

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