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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293810Generated: October 30, 2026

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

https://huagongshe.com/reaction/1293810

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-N-(1-hydroxy-2-methylpropan-2-yl)thiazole-5-sulfonamideHCID 61052651—
Reactant5-(4-Chloro-phenyl)-7-cyclopropyl-3-ethynyl-pyrazolo[1,5-a]pyrimidineHCID 86607996—
Product2-[5-(4-Chloro-phenyl)-7-cyclopropyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiazole-5-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amideHCID 67000827—

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 2-chloro-thiazole-5-sulfonic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide (68 mg, 0.25 mmol) (example B.14) according to general procedure II. Obtained as a yellow solid (60 mg, 45%). MS (ISP) 528.0 [(M+H)+]; mp 204–207° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-47a09323585744da9afcf1b18ff22c4f
Source noteuspto-grants-2007_07