O-ethylhydroxylamine hydrochloride → HCID 53378027, compound

Participants

Reaction Steps

Using 7-(2,5-dichlorophenylamino)-6-[4-(4-fluorophenyl)piperidine-1-carbonyl]pyrazolo[1,5-a]pyrimidine-3-sulfonic acid (0.15 g, 0.27 mmol) obtained in Example 27 step 1 and O-ethylhydroxylamine hydrochloride (0.104 g, 1.06 mmol) instead of tert-butylamine, and in the same manner as in Example 1 step 3, the title compound (0.036 g, 22%) was obtained.

Provenance & Evidence