Sodium Carbonate → N-Benzyl-N-[5-[3-(methylsulfonyl)-4-(hydroxymethyl)phenyl]thiophene-2-ylmethyl]-2-(trifluoromethyl)benzenesulfonamide

Participants

Reaction Conditions

Reaction Steps

A suspension of N-benzyl-N-(5-bromo-thiophen-2-ylmethyl)-2-trifluoromethyl-benzenesulfonamide (example 1, step 2, 170 mg), [2-methanesulfonyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-methanol (CAS [918328-16-2], 90 mg), cesium fluoride (88 mg) and dichloro[1,1′-bis(diphenylphosphino)ferrocene]palladium dichloromethane adduct (12 mg) in a 1 M aqueous sodium carbonate solution (0.72 mL) and 1,2-dimethoxyethane (1.5 mL) was heated to 80° C. for 36 h. After cooling to r.t., the mixture was filtered. The filtrate was diluted with ethyl acetate and washed with water. The organic phase was dried (MgSO4), filtered and concentrated under reduced pressure. The product was purified by chromatography (SiO2, cyclohexane/ethyl acetate 1:0 to 0:1) to give N-benzyl-N-[5-(4-hydroxymethyl-3-methanesulfonyl-phenyl)-thiophen-2-ylmethyl]-2-trifluoromethyl-benzenesulfonamide (67 mg) as an off-white solid. MS: 612.6 ([M+NH4]+)

Provenance & Evidence