Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293814Generated: October 25, 2026

5-bromo-N-(1,3-dihydroxy-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-hydroxymethyl-1-methyl-ethyl)-amide

https://huagongshe.com/reaction/1293814

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-N-(1,3-dihydroxy-2-methylpropan-2-yl)pyridine-3-sulfonamideHCID 67000972—
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-hydroxymethyl-1-methyl-ethyl)-amideHCID 67001063—

Reaction Steps

The title compound was prepared from 5-(4-chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidine (example C.5) (73 mg, 0.25 mmol) and 5-bromo-pyridine-3-sulfonic acid (2-hydroxy-1-hydroxymethyl-1-methyl-ethyl)-amide (81 mg, 0.25 mmol) (example B.4) according to general procedure II. Obtained as a yellow solid (68 mg, 50%). MS (ISP) 538.0 [(M+H)+]; mp 204–206° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-9fd3da10889d41fdbfd4ad2e7ff72a26
Source noteuspto-grants-2007_07