反应详情

温度

-78 °C

DMS (13 mg, 0.04 mmol) was added to a solution of 4-Methoxy-4′-trifluoromethyl-biphenyl-3-carboxylic acid [2-(3′-chloro-4′-fluoro-biphenyl-4-yl)-1-(R)-methoxymethyl-ethyl]-amide (24 mg, 0.04 mmol) in 3 mL of anhydrous CH2Cl2, at −78° C. and slowly allowed to come to room temperature and stirred for 2 h. After completion of the reaction, reaction was cooled to −78° C. and 0.5 mL of MeOH was added, solvent was removed under vacuum and the residue was taken in ethyl acetate (4 mL) and washed with aq NaHCO3 solution, water, brine and dried over Na2SO4. Solvent was removed under vacuum and silica gel column chromatography (Ethyl acetate: Hexanes) gave pure 4-Hydroxy-4′-trifluoromethyl-biphenyl-3-carboxylic acid [2-(3′-chloro-4′-fluoro-biphenyl-4-yl)-1-(R)-methoxymethyl-ethyl]-amide (14 mg).

1. customto come to room temperature
2. customAfter completion of the reaction, reaction
3. customsolvent was removed under vacuum
4. washwashed with aq NaHCO3 solution, water, brine
5. dry with materialdried over Na2SO4
6. customSolvent was removed under vacuum and silica gel column chromatography (Ethyl acetate: Hexanes)