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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1270461Generated: October 31, 2026

Sodium Iodide → 3-[(6-(Imidazol-1-yl)pyridazin-3-yl)oxy]-1-[(1,3-benzodioxol-5-yl)methyl]piperidine

https://huagongshe.com/reaction/1270461

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium IodideHCID 5238—
ReactantPotassium CarbonateHCID 11430—
Reactant1,3-Benzodioxole, 5-(chloromethyl)-HCID 88713—
Reactant3-[(6-(Imidazol-1-yl)pyridazin-3-yl)oxy]piperidineHCID 22260056—
SolventDimethylformamideHCID 6228—
Product3-[(6-(Imidazol-1-yl)pyridazin-3-yl)oxy]-1-[(1,3-benzodioxol-5-yl)methyl]piperidineHCID 9999752—

Reaction Conditions

Temperature50 °C

Reaction Steps

A mixture of 3-[(6-(imidazol-1-yl)pyridazin-3-yl)oxy]piperidine (220 mg), 5-chloromethyl-1,3-benzodioxole (0.26 mL), K2CO3 (1.0 g), and NaI (0.1 g) in DMF (15 mL) was heated at 50° C. under N2 for 3 hours. After filtration and concentration in vacuo, the residual oil was dissolved in CH2Cl2 (100 mL), washed with water (20 mL×3) and brine, dried (MgSO4), and concentrated. Purification by column chromatography gave 3-[(6-(imidazol-1-yl)pyridazin-3-yl)oxy]-1-[(1,3-benzodioxol-5-yl)methyl]piperidine, (77 mg) as a white solid, NMR: (CDCl3) 8.30 (s, 1), 7.68 (s, 1), 7.52 (d, 1), 7.22 (s, 1), 7.16 (d, 1), 6.75 (s, 2), 5.90 (d, 2), 5.41 (m, 1), 3.46 (Abq, 2), 2.88 (d, 1), 2.58–2.48 (m, 2), 2.32 (m, 1), 2.10 (m, 1), 1.70–1.60 (m, 2) ppm.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07202263B2
Source datasetuspto-grants-2007_04
ORD IDord-9b1fb3ff8eb74fa9b342d02b2ce6fb3b
Source noteuspto-grants-2007_04