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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2284375Generated: October 30, 2026

Trifluoroacetic acid → HCID 86662987, compound

https://huagongshe.com/reaction/2284375

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantN-IodosuccinimideHCID 120273—
Reactant8-Bromo-6-chloroimidazo(1,2-b)pyridazineHCID 46835269—
SolventChloroformHCID 6212—
ProductHCID 86662987HCID 8666298776%

Reaction Steps

To a solution of 8-bromo-6-chloroimidazo[1,2-b]pyridazine (1.2 g, 5.16 mmol) in chloroform (30 mL) were added NIS (1.161 g, 5.16 mmol) and TFA (0.795 mL, 10.32 mmol). The reaction mixture was stirred at room temperature for 2 h and quenched with NaHCO3. The organic layers were washed with brine and dried over Na2SO4. The crude product was purified by BIOTAGE® (100% CH2Cl2) to give the product (1.4 g, 76%). 1H NMR (400 MHz, CDCl3) δ ppm 7.91 (1H, s), 7.46 (1H, s); LC/MS: Rt=2.44 min. LC/MS (Condition A): 357.80/359.80/361.80.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09145419B2
Source datasetuspto-grants-2015_09
ORD IDord-ab006fa53a4a486084548047212340bd
Source noteuspto-grants-2015_09