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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269335Generated: October 26, 2026

5-bromo-N-(3-pyridinylmethyl)-2-thiophenesulfonamide → 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid (pyridin-3-ylmethyl)-amide

https://huagongshe.com/reaction/269335

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-bromo-N-(3-pyridinylmethyl)-2-thiophenesulfonamideHCID 662666—
Reactant3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 86608034—
Product5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid (pyridin-3-ylmethyl)-amideHCID 67000343—

Reaction Steps

The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and 5-bromo-thiophene-2-sulfonic acid (pyridin-3-ylmethyl)-amide (example B.56) (167 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (139 mg, 47%). MS (ISN) 588.0 [(M−H)−]; mp 152° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-dd9481e37e854f9db1c1aa53415a30a5
Source noteuspto-grants-2008_11