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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293998Generated: October 25, 2026

5-Bromo-N-[2-hydroxy-1-(hydroxymethyl)ethyl]-2-thiophenesulfonamide → 5-[7-Trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid (2-hydroxy-1-hydroxymethyl-ethyl)-amide

https://huagongshe.com/reaction/1293998

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-N-[2-hydroxy-1-(hydroxymethyl)ethyl]-2-thiophenesulfonamideHCID 65314645—
Reactant3-Ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608055—
Product5-[7-Trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid (2-hydroxy-1-hydroxymethyl-ethyl)-amideHCID 86608115—

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.10) (178 mg, 0.5 mmol) and 5-bromo-thiophene-2-sulfonic acid (2-hydroxy-1-hydroxymethyl-ethyl)-amide (example B.54) (158 mg, 0.5 mmol) according to general procedure II. Obtained as an orange solid (117 mg, 40%). MS (ISN) 589.3 [(M−H)−]; mp 210° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238808B2
Source datasetuspto-grants-2007_07
ORD IDord-5c377243d3bc4409b12f27e8c85451e9
Source noteuspto-grants-2007_07