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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 8249Generated: October 25, 2026

Dimethylamine → Dimethyl-{3-[4-(2-pyridin-2-yl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)-quinolin-7-yloxy]-propyl}-amine

https://huagongshe.com/reaction/8249

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylamineHCID 674—
ReactantSodium IodideHCID 5238—
ReactantTetrahydrofuranHCID 8028—
Reactant7-(3-Chloro-propoxy)-4-(2-pyridin-2-yl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)-quinolineHCID 21992563—
SolventDimethylformamideHCID 6228—
ProductDimethyl-{3-[4-(2-pyridin-2-yl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)-quinolin-7-yloxy]-propyl}-amineHCID 10112407—

Reaction Steps

A solution of 7-(3-chloro-propoxy)-4-(2-pyridin-2-yl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)-quinoline (54 mg, 0.13 mmol), sodium iodide (5 mg, 0.03 mmol), and 2 N dimethylamine in tetrahydrofuran (3 mL, 6 mmol) in N,N-dimethylformamide (5 mL) is heated at 100° C. for 48 h. The mixture is cooled and concentrated in vacuo. The residue is chromatographed on SiO2 (100% ethyl acetate to 10% methanol in ethyl acetate) to yield the title compound, 41 mg (74%), as a brown solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07087626B2
Source datasetuspto-grants-2006_08
ORD IDord-2037d4dea16e4b4ca6ee4112e129ee14
Source noteuspto-grants-2006_08