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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 517646Generated: October 30, 2026

Benzonitrile → HCID 71680409, compound

https://huagongshe.com/reaction/517646

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzonitrileHCID 7505—
Reactant1,10-Phenanthroline hydrateHCID 21226—
Reactant4-Iodopyridin-2-amineHCID 22607551—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
ProductHCID 71680409HCID 7168040961%

Reaction Conditions

Temperature130 °C

Reaction Steps

A mixture of 2-amino-4-iodopyridine (2.60 g, 11.8 mmol), copper (I) iodide (115 mg, 0.60 mmol), 1,10-phenanthroline monohydrate (120 mg, 0.60 mmol) and benzonitrile (33 mL) was heated in a 100 mL 4-necked flask to 130° C. During 23 h a gentle flow of O2/N2 (5:95) was bubbled through the reaction mixture (99% conversion, HPLC method see below). The dark brown suspension was then cooled to 0-5° C. and filtered. The filter cake was washed with TBME (10 mL) and dried to yield crude 7-iodo-2-phenyl-[1,2,4]triazolo[1,5-a]pyridine (2.31 g, 61%) as a green solid with 100% purity (HPLC area-%, HPLC method see below).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115130B2
Source datasetuspto-grants-2015_08
ORD IDord-a6f587c4c8af4bc5b0f6615b5e231126
Source noteuspto-grants-2015_08