Dimethylformamide → 4-Chloro-3-(3-{[5-cyano-2-propyl-4-(trifluoromethyl)-1H-indol-1-yl]methyl}-1,2,4-oxadiazol-5-yl)benzoyl chloride

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Reaction Steps

A solution was prepared using 4-chloro-3-(3-{[5-cyano-2-propyl-4-(trifluoromethyl)-1H-indol-1-yl]methyl}-1,2,4-oxadiazol-5-yl)benzoic acid (0.100 g, 0.204 mmol), DMF (0.100 mL), (COCl)2 (2.0 mL, 21.0 mmol) and anhydrous CH2Cl2 (25 mL). The mixture was stirred at rt and for a period of 16 h and concentrated to dryness. The resulting product was used without purification (0.113 g).

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