Triethylamine → HCID 58975189, compound

Participants

Reaction Steps

Combine 3-Cyclopentyl-1H-indazole (2.168 g 11.640 mmole) with triethylamine (3.526 g, 34.92 mmoles) in 50 mls of dichloromethane. Dissolve 4-Chlorosulfonyl-benzoic acid methyl ester (4.085 g, 17.460 mmole) in dichloromethane 50 ml and add drop wise to solution at 0° C. Stir the reaction is for 12 hrs. Dilute the reaction and wash with NaHCO3. Dry organic layer over MgSO4 and concentrate. Purify the residue via column chromatography with a mixture of ethyl acetate and hexanes to isolate 2.046 g (Yield=48.5%) of the title compound: MS ES+385.3.

Provenance & Evidence