HCID 23138739, compound → HCID 74020258, compound

Participants

Reaction Conditions

Reaction Steps

Potassium thioacetate (5.91 g) was added to a solution of 5-((acetylsulfanyl){1-[2-(ethoxycarbonyl)ethyl]-1H-pyrazol-3-yl}methyl)-1-(triphenylmethyl)-1,2,3,6-tetrahydropyridine (3.00 g), in dimethyl sulfoxide (30 ml). The mixture was stirred at 80° C. for 4 hours. After cooling to room temperature, the mixture was diluted with ethyl acetate, and washed successively with water and a saturated aqueous sodium chloride solution. After the extract was dried over anhydrous sodium sulfate, it was concentrated under reduced pressure, and the residue was purified by silica gel chromatography using ethyl acetate and hexane (1:9 to 2:3) as eluents to afford a crude product of 4-(acetylsulfanyl)-3-({1-[2-(ethoxycarbonyl)ethyl]-1H-pyrazol-3-yl}methylidene)-1-(triphenylmethyl)piperidine (2.93 g) as a mixture of geometric isomers.

Provenance & Evidence