Lawesson's reagent → 1-[4-(4-Nitro-3-trifluoromethyl-phenylamino)-piperidin-1-yl]-4-[4-(4-trifluoromethyl-phenyl)-piperazin-1-yl]-butane-1-thione

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Reaction Steps

1-[4-(4-Nitro-3-trifluoromethyl-phenylamino)-piperidin-1-yl]-4-[4-(4-trifluoromethyl-phenyl)-piperazin-1-yl]-butan-1-one (20 mg; 0.034 mmol, prepared in accordance with Example 165) is reacted with Lawesson's reagent (7 mg; 0.017 mmol) according to the general conditions described in Example 109. The desired product is obtained following purification by preparative HPLC (11 mg; 0.018 mmol). The structure was confirmed using Protocol I-B. Calculated mass=604; observed mass=604; HPLC retention time=4.64 min.

Provenance & Evidence