Tetrahydrofuran → HCID 66736201, compound

Participants

Reaction Steps

A mixture of N-[5-(3,5-difluoro-benzenesulfonyl)-1-trityl-1H-indazol-3-yl]-terephthalamic acid methyl ester (400 mg, 0.56 mmol), tetrahydrofuran (8 mL), water (4 mL) and lithium hydroxide hydrate (35 mg, 1.5 eq) was stirred at room temperature overnight. The solvents were evaporated to dryness. The residue was taken up with ethyl acetate, washed with 5% aqueous solution of potassium bisulfate, brine, dried over sodium sulfate and evaporated to dryness affording the crude title compound that was used as such for the next step without further purification.

Provenance & Evidence