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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1664040Generated: October 27, 2026

Tetrahydrofuran → HCID 57505764, compound

https://huagongshe.com/reaction/1664040

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantOxalyl chlorideHCID 65578—
ReactantIndole-2-carboxylic acidHCID 72899—
ReactantN-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamideHCID 57386059—
CatalystDimethylformamideHCID 6228—
SolventN-methyl-2-pyrrolidoneHCID 13387—
ProductHCID 57505764HCID 5750576470%

Reaction Steps

Using N-[6-(3-aminophenoxy)imidazo[1,2-b]pyridazin-2-yl]cyclopropanecarboxamide (150 mg, 0.484 mmol), 1H-indole-2-carboxylic acid (93 mg, 0.581 mmol), oxalyl chloride (84 μL, 0.969 mmol), N,N-dimethylformamide (1 drop), tetrahydrofuran (5 mL) and N-methylpyrrolidone (3 mL) as starting materials and in the same manner as in Example 412, the title compound (153 mg, 70%) was obtained as a white powder.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08034812B2
Source datasetuspto-grants-2011_10
ORD IDord-d10a576fad7948698fefdb9a28bcf06f
Source noteuspto-grants-2011_10