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Water → {6-Chloro-3-methyl-4-[4-(4-trifluoromethoxyphenylsulfanyl)-phenyl]-naphthalen-2-yl}-acetic acid methyl ester

HRID 1468391
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1468391
[CH3:1][O:2][C:3](=[O:26])[CH2:4][C:5]1[C:14]([CH3:15])=[C:13](B2OC(C)(C)C(C)(C)O2)[C:12]2[C:7](=[CH:8][CH:9]=[C:10]([Cl:25])[CH:11]=2)[CH:6]=1.Br[C:28]1[CH:33]=[CH:32][C:31]([S:34][C:35]2[CH:40]=[CH:39][C:38]([O:41][C:42]([F:45])([F:44])[F:43])=[CH:37][CH:36]=2)=[CH:30][CH:29]=1.C(=O)(O)[O-].[Na+].O>C(COC)OC.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](=[O:26])[CH2:4][C:5]1[C:14]([CH3:15])=[C:13]([C:28]2[CH:29]=[CH:30][C:31]([S:34][C:35]3[CH:40]=[CH:39][C:38]([O:41][C:42]([F:44])([F:43])[F:45])=[CH:37][CH:36]=3)=[CH:32][CH:33]=2)[C:12]2[C:7](=[CH:8][CH:9]=[C:10]([Cl:25])[CH:11]=2)[CH:6]=1
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Komponenten

7

Edukt 4

HCID 962WaterHCID 516892Sodium BicarbonateHCID 86694935HCID 86694935, VerbindungHCID 86694977[6-Chloro-3-methyl-4-(4,4,5,5-tetra methyl-[1,3,2]-dioxaborolan-2-yl)-naphthalen-2-yl]-acetic acid methyl ester

Produkt 1

HCID 86694986{6-Chloro-3-methyl-4-[4-(4-trifluoromethoxyphenylsulfanyl)-phenyl]-naphthalen-2-yl}-acetic acid methyl ester
Ausbeute 46,4 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 178418397HCID 178418397, VerbindungKatalysatorHCID 80711,2-DimethoxyethaneLösungsmittel

Versuchsvorschrift

A stirred solution of [6-chloro-3-methyl-4-(4,4,5,5-tetra methyl-[1,3,2]-dioxaborolan-2-yl)-naphthalen-2-yl]-acetic acid methyl ester (0.2 g, 0.53 mmol) in dimethoxyethane (5 mL) was purged with argon for 5 minutes at room temperature. Tetrakis(triphenylphosphine)palladium(0) (0.031 g, 0.027 mmol), crude 1-bromo-4-(4-(trifluoro-methoxy)phenylsulfanyl)benzene (0.334 g) and 1.0 M aqueous sodium bicarbonate (5 mL, 5 mmol) were added simultaneously to the reaction mixture under argon. The reaction mixture was refluxed for 2 hours and then brought to room temperature. Water was added and the resulting mixture was extracted twice with ethyl acetate. The combined organic extracts were washed with water and brine, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to give the crude product, which was finally purified using flash chromatography (0-3% ethyl acetate in hexanes) to obtain {6-chloro-3-methyl-4-[4-(4-trifluoromethoxyphenylsulfanyl)-phenyl]-naphthalen-2-yl}-acetic acid methyl ester (0.127 g, 44%) as a solid.

Aufarbeitung

  1. temperatureThe reaction mixture was refluxed for 2 hours
  2. custombrought to room temperature
  3. extractionthe resulting mixture was extracted twice with ethyl acetate
  4. washThe combined organic extracts were washed with water and brine
  5. dry with materialdried over anhydrous sodium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customto give the crude product, which
  8. customwas finally purified

Quellen und Nachweise

ORD-Eintrag
ord-fa9b8fea24ce477e843e386a7fb297d0
Quelldatensatz
uspto-grants-2015_04
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09000044B2

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