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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2238006Generated: October 30, 2026

5-bromo-N-(1-hydroxy-2-methylpropan-2-yl)pyridine-3-sulfonamide → 5-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide

https://huagongshe.com/reaction/2238006

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-N-(1-hydroxy-2-methylpropan-2-yl)pyridine-3-sulfonamideHCID 60209343—
Reactant5-(4-Chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidineHCID 86607996—
Product5-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-3-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amideHCID 67001107—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.5) (147 mg, 0.5 mmol) and 5-bromo-pyridine-3-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide (155 mg, 0.5 mmol) (example B.2) according to general procedure II. Obtained as a yellow solid (137 mg, 52%). MS (ISP) 522.2 [(M+H)+]; mp 230-231° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07718661B2
Source datasetuspto-grants-2010_05
ORD IDord-2f124f28761c4c0da1249b5873abf78a
Source noteuspto-grants-2010_05