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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269241Generated: October 25, 2026

5-Bromo-2-thiophenesulfonamide → 5-[4-Trifluoromethyl-2-(4-trifluoromethyl-phenyl)-imidazo[1,5-a]pyrimidin-8-ylethynyl]-thiophene-2-sulfonic acid amide

https://huagongshe.com/reaction/269241

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Bromo-2-thiophenesulfonamideHCID 1241304—
Reactant8-Ethynyl-4-trifluoromethyl-2-(4-trifluoromethyl-phenyl)-imidazo[1,5-a]pyrimidineHCID 86608085—
Product5-[4-Trifluoromethyl-2-(4-trifluoromethyl-phenyl)-imidazo[1,5-a]pyrimidin-8-ylethynyl]-thiophene-2-sulfonic acid amideHCID 16735487—

Reaction Steps

The title compound was prepared from 8-ethynyl-4-trifluoromethyl-2-(4-trifluoromethyl-phenyl)-imidazo[1,5-a]pyrimidine (example C.17) (178 mg, 0.5 mmol) and commercially available 5-bromo-thiophene-2-sulfonamide (121 mg, 0.5 mmol) according to general procedure II. Obtained as a red solid (159 mg, 62%). MS (ISN) 517.1 [(M+H)+]; mp 255° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-65b1afb295eb4d4ca3af3e46811ccc58
Source noteuspto-grants-2008_11