Cesium carbonate → 5-(4-Chlorophenyl)-4-(3,3,3-trifluoro-2-hydroxypropyl)-2-({1-[2-(trifluoromethyl)benzyl]-1H-1,2,4-triazol-5-yl}sulfonyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

Participants

Reaction Conditions

Reaction Steps

50 mg (0.10 mmol) of the compound from Example 95A together with 50 mg (0.16 mmol) of cesium carbonate were dissolved in 0.5 ml of DMF, and 30 mg (0.16 mmol) of 3-bromo-1,1,1-trifluoropropan-2-ol were added. The mixture was then stirred at 75° C. for 8 h. For work-up, the reaction mixture was diluted with 0.5 ml of acetonitrile and directly purified chromatographically [Method 19]. This gave 15 mg (22% of theory) of the target compound.

Provenance & Evidence