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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1892334Generated: November 1, 2026

Ethanol, 2-(aminooxy)-, hydrochloride → 2-[(E)-1-[3-[1-(1-methylindazol-5-yl)ethyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]oxyethanol

https://huagongshe.com/reaction/1892334

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthanol, 2-(aminooxy)-, hydrochlorideHCID 22507086—
Reactant1-(3-(1-(1-Methyl-1H-indazol-5-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanoneHCID 58190491—
Product2-[(E)-1-[3-[1-(1-methylindazol-5-yl)ethyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]oxyethanolHCID 5099145018.3%

Reaction Steps

The title compound (9.0 mg, 17%, 88% purity) was synthesized from 1-(3-(1-(1-methyl-1H-indazol-5-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanone (40.0 mg, 0.13 mmol) and 2-(aminooxy)ethanol hydrochloride (19.31 mg, 0.25 mmol) using the same procedure as described in the synthesis of example 13. 1H-NMR (400 MHz, DMSO-d6) δ ppm 7.94 (d, 1H), 7.85 (s, 1H), 7.79 (s, 1H), 7.66 (s, 1H), 7.85 (d, 1H), 7.52 (d, 1H), 7.37 (dd, 1H), 4.72 (t, 2H), 4.21 (t, 2H), 3.97 (s, 3H), 3.66 (q, 1H), 2.20 (s, 3H), 1.78 (d, 3H). LCMS (method A): [MH]+=379, tR=5.25 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08507676B2
Source datasetuspto-grants-2013_08
ORD IDord-6daddde21bb44a9e878ab299016788fd
Source noteuspto-grants-2013_08