3,5-Dimethylphenol → HCID 58442376, Verbindung

Temperatur

100 °C

To a solution of 1-(4-chloro-2,6-dimethylphenyl)ethanone (5.0 g, 27.4 mmol), K3PO4 (11.6 g, 54.7 mmol), 3,5-dimethylphenol (4.01 g, 32.8 mmol) in toluene (54.8 mL), was added 2-di-tert-butylphosphino-2′,4′,6′-triisopropylbiphenyl (349 mg, 0.82 mmol), Pd(OAc)2 (259 mg, 1.15 mmol). The reaction was heated at 100° C. overnight under N2. The solution was cooled to room temperature and filtered through a small pad of Celite. The cake was washed with ethyl acetate (50 mL) and combined filtrate was concentrated under reduced pressure. The residue was purified by flash column chromatography on silica gel to give 1-(4-(3,5-dimethylphenoxy)-2,6-dimethylphenyl)ethanone (6.3 g) as yellow solids in 86% yield: 1H NMR (500 MHz, CDCl3) δ 6.76 (s, 1H), 6.63 (s, 2H), 6.62 (s, 2H), 2.48 (s, 3H), 2.29 (s, 6H), 2.22 (s, 6H).

1. temperatureThe solution was cooled to room temperature
2. filtrationfiltered through a small pad of Celite
3. washThe cake was washed with ethyl acetate (50 mL)
4. concentrationwas concentrated under reduced pressure
5. customThe residue was purified by flash column chromatography on silica gel

ORD-Eintrag

ord-c3daf4347eb64fd890e74e20f09136c1

Quelldatensatz

uspto-grants-2016_08

DOI

10.6084/m9.figshare.5104873.v1

Patentnummer

US09409902B2