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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1162100Generated: October 30, 2026

2-Amino-1-butanol → 2-(3-Bromoimidazo[1,2-b]pyridazin-6-ylamino)butan-1-ol

https://huagongshe.com/reaction/1162100

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Amino-1-butanolHCID 22129—
Reactant3-Bromo-6-chloroimidazo(1,2-b)pyridazineHCID 12872323—
ReactantDichloromethane methanol ammonium hydroxideHCID 21896990—
Product2-(3-Bromoimidazo[1,2-b]pyridazin-6-ylamino)butan-1-olHCID 57470623—

Reaction Steps

Prepared from 3-bromo-6-chloroimidazo[1,2-b]pyridazine and 2-aminobutan-1-ol according to general procedure 1 providing the amino compound (70 mg, 18%) as yellow solid: Rf=0.53 (CH2Cl2/MeOH/NH4OH, 160:18:2); 1H NMR (500 MHz, CDCl3) δ 7.59 (d, J=9.5 Hz, 1H), 7.48 (s, 1H), 6.45 (d, J=9.5 Hz, 1H), 4.51 (d, J=6.3 Hz, 1H), 3.97-3.90 (m, 2H), 3.75-3.72 (m, 1H), 2.65 (br, 1H), 1.76-1.64 (m, 2H), 1.04 (t, 3H); ES-MS: (M+H)=285, 287 m/z.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07820670B2
Source datasetuspto-grants-2010_10
ORD IDord-584bca6f53fe483cb312eb0512d96d59
Source noteuspto-grants-2010_10