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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2205216Generated: November 1, 2026

p-Toluenesulfonic acid → HCID 178521579, compound

https://huagongshe.com/reaction/2205216

Reaction equation

Participants

RoleNameHCIDCharge
Reactantp-Toluenesulfonic acidHCID 6101—
Reactant3-Bromo-6-chloroimidazo(1,2-b)pyridazineHCID 12872323—
ReactantHCID 178511715HCID 178511715—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 178521579HCID 17852157982.2%

Reaction Conditions

Temperature100 °C

Reaction Steps

To 6-chloro-3-bromoimidazo[1,2-b]pyridazine (1.00 g, 4.30 mmol, 1.0 equiv) and p-TSA (818 mg, 4.30 mmol, 1.0 equiv) in DMSO (7.00 mL) was added trans-4-aminocyclohexanol (1.49 g, 12.9 mmol, 3.0 equiv). The mixture was heated at 100° C. for 24 h. Purification by column chromatography using 5% methanol in dichloromethane elution gave 1.1 g of the yellow solid, 83%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09370515B2
Source datasetuspto-grants-2016_06
ORD IDord-7489922e129a48c7aa8c42cee6484a13
Source noteuspto-grants-2016_06