Trifluoroacetic acid → HCID 68350851, compound

HRID 1854074Notes

Reaction equation

HRID 1854074 reaction equation
[CH3:1][C:2]1[CH:7]=[C:6]([CH3:8])[NH:5][C:4](=[O:9])[C:3]=1[CH2:10][NH:11][C:12]([C:14]1[CH:19]=[C:18]([CH:20]2[CH2:25][CH2:24][N:23](C(OC(C)(C)C)=O)[CH2:22][CH2:21]2)[N:17]=[C:16]2[N:33]([CH:36]([CH3:38])[CH3:37])[N:34]=[CH:35][C:15]=12)=[O:13].C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH3:1][C:2]1[CH:7]=[C:6]([CH3:8])[NH:5][C:4](=[O:9])[C:3]=1[CH2:10][NH:11][C:12]([C:14]1[C:15]2[CH:35]=[N:34][N:33]([CH:36]([CH3:38])[CH3:37])[C:16]=2[N:17]=[C:18]([CH:20]2[CH2:21][CH2:22][NH:23][CH2:24][CH2:25]2)[CH:19]=1)=[O:13]

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 68295077HCID 68295077, compound

Product 1

HCID 68350851HCID 68350851, compoundYield 60%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent2×

Procedure

Tert-butyl 4-(4-(((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-1-isopropyl-1H-pyrazolo[3,4-b]pyridin-6-yl)piperidine-1-carboxylate (0.2 g, 0.383 mmol) was taken in DCM (3 mL), to it TFA (0.6 mL) was added at 0° C. and stirred at room temperature for 3 h. On completion of reaction, DCM was removed under reduced pressure, saturated NaHCO3 solution was added to it and extraction was carried out using DCM. The combined organic layers were washed with water, dried over anhydrous Na2SO4, filtered and concentrated under reduced pressure to afford crude material which was purified by column chromatography to give the desired compound (60% yield). LCMS: 423.25 (M+1)+; HPLC: 99.121% (@ 254 nm) (Rt; 4.628); 1H NMR (DMSO-d6, 400 MHz) δ 8.75 (t, J=4.8 Hz, 1H); 8.26 (s, 1H); 7.49 (s, 1H); 5.89 (s, 1H); 5.22-5.16 (m, 1H); 4.36 (d, J=4.8 Hz, 2H); 3.04 (d, J=12.0 Hz, 2H); 2.84-2.92 (m, 1H); 2.60 (t, J=, 8.4 Hz, 2H); 2.20 (s, 3H); 2.10 (s, 3H); 1.65-1.81 (m, 4H); 1.49 (d, J=6.8 Hz, 6H).

Workup

  1. additionwas added at 0° C.
  2. customwas removed under reduced pressure, saturated NaHCO3 solution
  3. additionwas added to it and extraction
  4. washThe combined organic layers were washed with water
  5. dry with materialdried over anhydrous Na2SO4
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customto afford crude material which
  9. customwas purified by column chromatography

Sources & evidence

ORD record
ord-b1745c4285104375aeb315763db74e66
Source dataset
uspto-grants-2015_02
Patent number
US08962620B2

Reaction notes

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