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Water → 2-Methyl-2-({4-[2-({5-[3-(trifluoromethyl)phenyl]pyrimidin-2-yl}amino)ethyl]-1,3-thiazol-2-yl}thio)propionic acid tert-butyl ester

HRID 914350
Notes
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Reaction equation

HRID 914350 reaction equation
[C:1]([O:5][C:6](=[O:26])[C:7]([S:10][C:11]1[S:12][CH:13]=[C:14]([CH2:16][CH2:17][NH:18][C:19]2[N:24]=[CH:23][C:22](Br)=[CH:21][N:20]=2)[N:15]=1)([CH3:9])[CH3:8])([CH3:4])([CH3:3])[CH3:2].[F:27][C:28]([F:40])([F:39])[C:29]1[CH:30]=[C:31](OB(O)O)[CH:32]=[CH:33][CH:34]=1.O>O1CCOCC1.C(=O)([O-])[O-].[Na+].[Na+].C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:1]([O:5][C:6](=[O:26])[C:7]([CH3:9])([S:10][C:11]1[S:12][CH:13]=[C:14]([CH2:16][CH2:17][NH:18][C:19]2[N:24]=[CH:23][C:22]([C:33]3[CH:32]=[CH:31][CH:30]=[C:29]([C:28]([F:40])([F:39])[F:27])[CH:34]=3)=[CH:21][N:20]=2)[N:15]=1)[CH3:8])([CH3:4])([CH3:3])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 962WaterHCID 222835583-(Trifluoromethyl)phenylboric acidHCID 597588042-[(4-{2-[(5-Bromopyrimidin-2-yl)amino]ethyl}-1,3-thiazol-2-yl)thio]-2-methylpropionic acid tert-butyl ester

Product 1

HCID 597593392-Methyl-2-({4-[2-({5-[3-(trifluoromethyl)phenyl]pyrimidin-2-yl}amino)ethyl]-1,3-thiazol-2-yl}thio)propionic acid tert-butyl esterYield 91.9%

Reagents, catalysts & solvents 3

HCID 178418397HCID 178418397, compoundCatalyst
HCID 10340Sodium CarbonateSolvent
HCID 312751,4-DioxaneSolvent

Procedure

Under nitrogen atmosphere, 2-[(4-{2-[(5-bromopyrimidin-2-yl)amino]ethyl}-1,3-thiazol-2-yl)thio]-2-methylpropionic acid tert-butyl ester (920 mg) synthesized in Example 162-1 and 3-(trifluoromethyl)phenylboric acid (380 mg) were dissolved in dioxane (10 mL) and 2 mol/L sodium carbonate (5 mL), tetrakis(triphenylphosphine)palladium (115 mg) was added, and the mixture was refluxed for 4 hr. The reaction mixture was cooled, water was added thereto, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure, and the residue was purified by silica gel chromatography (elution solvent; hexane:ethyl acetate=5:1 to 2:1) to give the title compound (890 mg) as a white solid.

Workup

  1. temperaturethe mixture was refluxed for 4 hr
  2. temperatureThe reaction mixture was cooled
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. customThe solvent was evaporated under reduced pressure
  7. customthe residue was purified by silica gel chromatography (elution solvent; hexane:ethyl acetate=5:1 to 2:1)

Sources & evidence

ORD record
ord-87e393a3bdf0492bb0e23df698e7f679
Source dataset
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08026370B2

Reaction notes

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