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Water → HCID 59758832, compound

HRID 914310
Notes
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Reaction equation

HRID 914310 reaction equation
[CH3:1][O:2][C:3](=[O:30])[C:4]1[CH:9]=[C:8](I)[CH:7]=[CH:6][C:5]=1[O:11][CH2:12][CH2:13][C:14]1[N:15]=[C:16]([S:19][C:20]([CH3:29])([CH3:28])[C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[S:17][CH:18]=1.[F:31][C:32]1[CH:37]=[CH:36][C:35](OB(O)O)=[CH:34][CH:33]=1.C(=O)([O-])[O-].[Na+].[Na+].O>O1CCOCC1.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>[CH3:1][O:2][C:3]([C:4]1[CH:9]=[C:8]([C:35]2[CH:36]=[CH:37][C:32]([F:31])=[CH:33][CH:34]=2)[CH:7]=[CH:6][C:5]=1[O:11][CH2:12][CH2:13][C:14]1[N:15]=[C:16]([S:19][C:20]([CH3:29])([CH3:28])[C:21]([O:23][C:24]([CH3:27])([CH3:26])[CH3:25])=[O:22])[S:17][CH:18]=1)=[O:30]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 10340Sodium CarbonateHCID 219397714-Fluoro-phenylboric acidHCID 597593132-(2-{2-[(2-Tert-butoxy-1,1-dimethyl-2-oxoethyl)thio]-1,3-thiazol-4-yl}ethoxy)-5-iodobenzoic acid methyl ester

Product 1

HCID 59758832HCID 59758832, compoundYield 57.2%

Reagents, catalysts & solvents 2

HCID 178418397HCID 178418397, compoundCatalystHCID 312751,4-DioxaneSolvent

Procedure

Under nitrogen atmosphere, 2-(2-{2-[(2-tert-butoxy-1,1-dimethyl-2-oxoethyl)thio]-1,3-thiazol-4-yl}ethoxy)-5-iodobenzoic acid methyl ester (5.0 g) synthesized in Example 92-1 and 4-fluorophenylboric acid (1.5 g) were dissolved in dioxane (40 mL) and aqueous sodium carbonate solution (2 mol/L, 20 mL), tetrakis(triphenylphosphine)palladium (0.51 g) 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 (2.7 g) 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-7e009e4552274e899cf63ff39786f1ef
Source dataset
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08026370B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes