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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 576047Generated: October 31, 2026

Hydrochloric Acid → HCID 86707266, compound

https://huagongshe.com/reaction/576047

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantPyridineHCID 1049—
Reactant4-FluoroanilineHCID 9731—
ReactantHCID 86707265HCID 86707265—
SolventChloroformHCID 6212—
ProductHCID 86707266HCID 8670726694.2%

Reaction Steps

Pyridine (3.09 mL, 38.4 mmol) was added to a solution of 4-fluoroaniline (3.73 g, 33.6 mmol) in chloroform (107 mL), and 7-bromo-2-(trifluoroacetyl)-1,2,3,4-tetrahydroisoquinoline-6-sulfonyl chloride (13.0 g, 32.0 mmol) was added thereto while cooling in ice. The mixture was warmed to room temperature and stirred for 13 hr. To the mixture was added 1 mol/L hydrochloric acid, and the mixture was extracted with chloroform. The organic layer was concentrated under reduced pressure and the concentrate was powdered with hexane and ethyl acetate (4:1) and then collected by filtration to afford 7-bromo-N-(4-fluorophenyl)-2-(trifluoroacetyl)-1,2,3,4-tetrahydroisoquinoline-6-sulfonamide as an orange powder (14.5 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09035059B2
Source datasetuspto-grants-2015_05
ORD IDord-f128fe690b0d4dec9c11bf728350544b
Source noteuspto-grants-2015_05