Hydrochloric Acid → HCID 71731690, compound

HRID 1406574Notes

Reaction equation

HRID 1406574 reaction equation
[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11](Cl)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2].[F:15][CH2:16][C:17]1[CH:21]=[C:20]([NH2:22])[N:19]([C:23]2[CH:32]=[CH:31][CH:30]=[C:29]3[C:24]=2[CH:25]=[CH:26][CH:27]=[N:28]3)[N:18]=1.[OH-].[Li+].[OH-].[Na+].Cl>CN(C1C=CN=CC=1)C.N1C=CC=CC=1>[C:1]([C:5]1[CH:10]=[CH:9][C:8]([S:11]([NH:22][C:20]2[N:19]([C:23]3[CH:32]=[CH:31][CH:30]=[C:29]4[C:24]=3[CH:25]=[CH:26][CH:27]=[N:28]4)[N:18]=[C:17]([CH2:16][F:15])[CH:21]=2)(=[O:13])=[O:12])=[CH:7][CH:6]=1)([CH3:4])([CH3:3])[CH3:2]

Participants

8

Reactant 5

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 14798Sodium HydroxideHCID 1398824-t-Butylbenzenesulfonyl chlorideHCID 86694544HCID 86694544, compound

Product 1

HCID 71731690HCID 71731690, compoundYield 4.3%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 1049PyridineSolvent

Conditions

Temperature
85 °C

Procedure

To a mixture of 4-t-butylbenzenesulfonyl chloride (0.085 g, 0.37 mmol), 3-(fluoromethyl)-1-(quinolin-5-yl)-1H-pyrazol-5-amine (0.05 g, 0.21 mmol), and DMAP (0.025 g, 0.19 mmol) in pyridine (1.0 mL) was heated at 85° C. for 2 h with stirring. After cooling to room temperature, 1 M aqueous lithium hydroxide (1 mL) and 1 M aqueous sodium hydroxide (1 mL) were added to the reaction mixture and heated at 75° C. for 1 h. After cooling to room temperature, the reaction mixture was neutralized with 1 N aqueous hydrochloric acid. The aqueous layer was extracted with ethyl acetate and the organic layer was washed with aqueous saturated sodium bicarbonate, dried (Na2SO4), filtered, and concentrated in vacuo. The crude residue was purified by reverse phase HPLC(C18 column, acetonitrile-H2O with 0.1% TFA as eluent) to give the title compound as a white solid (0.004 g, 0.009 mmol, 4%). 1H NMR (400 MHz, CD3OD) δ 8.86 (dd, J=1.2, 4.0 Hz, 1H), 8.12 (d, J=8.8 Hz, 1H), 7.79 (dd, J=8.4, 8.4 Hz, 1H), 7.65 (d, J=8.4 Hz, 1H), 7.56 (s, 1H), 7.54 (s, 1H), 7.43-7.37 (m, 4H), 6.24 (s, 1H), 5.34 (s, 1H), 5.22 (s, 1H), 1.35 (s, 9H); MS: (ES) m/z calculated for C23H24FN4O2S [M+H]+ 439.2. found 439.1.

Workup

  1. temperatureAfter cooling to room temperature
  2. temperatureheated at 75° C. for 1 h
  3. temperatureAfter cooling to room temperature
  4. extractionThe aqueous layer was extracted with ethyl acetate
  5. washthe organic layer was washed with aqueous saturated sodium bicarbonate
  6. dry with materialdried (Na2SO4)
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customThe crude residue was purified by reverse phase HPLC(C18 column, acetonitrile-H2O with 0.1% TFA as eluent)

Sources & evidence

ORD record
ord-0ae45f808c4a47d69a3bf39456488967
Source dataset
uspto-grants-2014_12
Patent number
US08916601B2

Reaction notes

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