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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2391408Generated: October 30, 2026

Tetrahydrofuran → HCID 57505648, compound

https://huagongshe.com/reaction/2391408

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantOxalyl chlorideHCID 65578—
Reactant2-Methanesulfonylacetic acidHCID 3732841—
ReactantN-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-methylphenyl)-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochlorideHCID 57505635—
CatalystDimethylformamideHCID 6228—
SolventDimethylacetamideHCID 31374—
ProductHCID 57505648HCID 5750564838.1%

Reaction Steps

In the same manner as in Example 279 and using (methylsulfonyl)acetic acid (100 mg, 0.73 mmol), tetrahydrofuran (1.5 mL), N,N-dimethylformamide (1 drop), oxalyl chloride (63 μL, 0.73 mmol), N-{5-[(2-aminoimidazo[1,2-b]pyridazin-6-yl)oxy]-2-methylphenyl}-1,3-dimethyl-1H-pyrazole-5-carboxamide hydrochloride (200 mg, 0.48 mmol) and N,N-dimethylacetamide (5 mL) as starting materials, the title compound (91 mg, 38%) was obtained as a pale-yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08273741B2
Source datasetuspto-grants-2012_09
ORD IDord-30faf88bedde4d08a6b3fd408c6d6cad
Source noteuspto-grants-2012_09