2-(2,5-Dioxo-pyrrolidin-1-yl)-ethanesulfonyl chloride → HCID 44547840, compound

Participants

Reaction Steps

The title compound was prepared following the procedure described for Example 1 using 100 mg (0.256 mmol) tert-butyl 3-amino-5-(3,5-dicyano-2,6-dimethyl-1,4-dihydropyridin-4-yl)-1H-indazole-1-carboxylate (Example 3A) and 173 mg (0.77 mmol) 2-(2,5-dioxopyrrolidin-1-yl)ethane-sulfonyl chloride. Yield: 20 mg (17% of th.).

Provenance & Evidence