Water → 2-Methyl-2-{[4-({[4'-(trifluoromethyl)biphenyl-4-yl]methoxy}methyl)-1,3-thiazol-2-yl]thio}propionic acid tert-butyl ester

HRID 914338Notes

Reaction equation

HRID 914338 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][O:17][CH2:18][C:19]2[CH:24]=[CH:23][C:22](Br)=[CH:21][CH: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:34]=[CH:33][C:32](OB(O)O)=[CH:31][CH:30]=1.O>O1CCOCC1.C(=O)([O-])O.[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][O:17][CH2:18][C:19]2[CH:24]=[CH:23][C:22]([C:32]3[CH:33]=[CH:34][C:29]([C:28]([F:40])([F:39])[F:27])=[CH:30][CH:31]=3)=[CH:21][CH:20]=2)[N:15]=1)[CH3:8])([CH3:4])([CH3:3])[CH3:2]

Participants

7

Reactant 3

HCID 962WaterHCID 17793420p-Trifluoromethylphenylboric acidHCID 597588332-[(4-{[(4-Bromobenzyl)oxy]methyl}-1,3-thiazol-2-yl)thio]-2-methylpropionic acid tert-butyl ester

Product 1

HCID 597593542-Methyl-2-{[4-({[4'-(trifluoromethyl)biphenyl-4-yl]methoxy}methyl)-1,3-thiazol-2-yl]thio}propionic acid tert-butyl esterYield 78.8%

Reagents, catalysts & solvents 3

HCID 178418397HCID 178418397, compoundCatalystHCID 312751,4-DioxaneSolventHCID 516892Sodium BicarbonateSolvent

Procedure

Under nitrogen atmosphere, 2-[(4-{[(4-bromobenzyl)oxy]methyl}-1,3-thiazol-2-yl)thio]-2-methylpropionic acid tert-butyl ester (1.0 g) synthesized in Example 152-1 and 4-(trifluoromethyl)phenylboric acid (621 mg) were dissolved in dioxane (10 mL) and sodium hydrogen carbonate aqueous solution (2 mol/L, 5 mL), tetrakis(triphenylphosphine)palladium (162 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 give the title compound (900 mg) as a colorless oil.

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)

Sources & evidence

ORD record
ord-65c21124cc904ac7982c59d1d237c7f2
Source dataset
uspto-grants-2011_09
Patent number
US08026370B2

Reaction notes

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