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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1668019Generated: October 26, 2026

1-Methyl-1H-pyrrole-2-carbonyl chloride → N-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1-methyl-1H-pyrrole-2-carboxamide

https://huagongshe.com/reaction/1668019

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Methyl-1H-pyrrole-2-carbonyl chlorideHCID 2795092—
ReactantN-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57505446—
SolventDimethylacetamideHCID 31374—
ProductN-[5-({2-[(cyclopropylcarbonyl)amino]imidazo[1,2-b]pyridazin-6-yl}oxy)-2-fluorophenyl]-1-methyl-1H-pyrrole-2-carboxamideHCID 5750557062%

Reaction Steps

Using N-[6-(3-amino-4-fluorophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (327 mg, 1.0 mmol), 1-methyl-1H-pyrrole-2-carbonyl chloride (151 mg, 1.05 mmol) and N,N-dimethylacetamide (6.0 mL), and by a reaction in the same manner as in Example 148, the title compound (268 mg, 62%) was obtained as colorless crystals.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08044049B2
Source datasetuspto-grants-2011_10
ORD IDord-4341a989ff23438a98f9c93ed233c785
Source noteuspto-grants-2011_10