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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 269337Generated: October 29, 2026

Trifluoroacetic acid → HCID 86608121, compound

https://huagongshe.com/reaction/269337

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantHCID 19683068HCID 19683068—
Reactant3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidineHCID 71539732—
SolventDichloromethaneHCID 6344—
ProductHCID 86608121HCID 86608121—

Reaction Steps

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (178 mg, 0.5 mmol) and 5-bromo-thiophene-2-sulfonic acid pyridin-4-ylamide (example B.57) (160 mg, 0.5 mmol) according to general procedure II and subsequent cleavage of the protecting group with TFA in dichloromethane at 0° C. Obtained as an orange solid (160 mg, 54%). MS (ISN) 592.1 [(M−H)−]; mp 209° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07446113B2
Source datasetuspto-grants-2008_11
ORD IDord-5125fb0dc5e4461c946bebb3a12b08ab
Source noteuspto-grants-2008_11