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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391210Generated: October 30, 2026

Tetrahydrofuran → HCID 57505477, compound

https://huagongshe.com/reaction/2391210

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantOxalyl chlorideHCID 65578—
Reactant1,5-dimethyl-1H-pyrazole-3-carboxylic acidHCID 587757—
ReactantN-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57505476—
CatalystDimethylformamideHCID 6228—
SolventDimethylacetamideHCID 31374—
ProductHCID 57505477HCID 5750547717%

Reaction Steps

In the same manner as in Example 259 and using 1,5-dimethyl-1H-pyrazole-3-carboxylic acid (145 mg, 1.0 mmol), tetrahydrofuran (5 mL), N,N-dimethylformamide (1 drop), oxalyl chloride (320 μL, 4.44 mmol), N-[6-(3-amino-4-methylphenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (250 mg, 0.77 mmol) and N,N-dimethylacetamide (7 mL) as starting materials, the title compound (57 mg, 17%) was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273741B2
Source datasetuspto-grants-2012_09
ORD IDord-bfc44e92eb884eb3bfdd3c3ab6d54620
Source noteuspto-grants-2012_09