Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 856971Generated: October 27, 2026

3-Bromofuran-2-carbonyl chloride → 3-(3-Amino-4-chloro-phenyl)-5-(3-bromofuran-2-yl)-[1,2,4]-oxadiazole

https://huagongshe.com/reaction/856971

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Bromofuran-2-carbonyl chlorideHCID 21864576—
Reactant3-Amino-4-chloro-benzamidoximeHCID 73851563—
SolventPyridineHCID 1049—
Product3-(3-Amino-4-chloro-phenyl)-5-(3-bromofuran-2-yl)-[1,2,4]-oxadiazoleHCID 16222397—

Reaction Steps

The title compound was prepared from 3-amino-4-chloro-benzamidoxime (293 mg, 1.58 mmol) and 3-bromofuran-2-carbonyl chloride (329 mg, 1.57 mmol) in pyridine (2.8 mL) under reflux similar to Example 1b, yielded 289 mg (54%) as a white solid. 1H NMR (CDCl3): 7.66 (d, J=1.64 Hz, 1H), 7.59 (d, J=1.92 Hz, 1H), 7.50 (dd, J1=8.38 Hz, J2=2.07 Hz, 1H), 7.37 (d, J=8.24 Hz, 1H), 6.75 (d, J=1.93 Hz, 1H), 4.22 (s, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07144876B2
Source datasetuspto-grants-2006_12
ORD IDord-d49feab61b7c437a94ab600c7a4fc3dc
Source noteuspto-grants-2006_12