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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 61274Generated: October 26, 2026

Cesium carbonate → 6-fluoro-3-methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acid

https://huagongshe.com/reaction/61274

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant(1S,2S)-(+)-N,N'-Dimethylcyclohexane-1,2-diamineHCID 13822957—
Reactant6-Fluoro-2-iodo-3-methylbenzoic acidHCID 117727674—
ReactantHCID 178418936HCID 178418936—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
SolventDimethylformamideHCID 6228—
Product6-fluoro-3-methyl-2-(2H-1,2,3-triazol-2-yl)benzoic acidHCID 117727680—

Reaction Conditions

Temperature120 °C

Reaction Steps

A mixture of 6-fluoro-2-iodo-3-methylbenzoic acid (900 mg, 3.21 mmol), 1,2,3-triazole (208 μl, 4.82 mmol), (1S,2S)—N1,N2-dimethylcyclohexane-1,2-diamine (103 μl, 642 μmol), Cs2CO3 (1.57 g, 4.82 mmol) and CuI (61 mg, 321 μmol) in DMF (5 mL) was degassed and heated at 120° C. for 1 h in a microwave reactor. The reaction was cooled to rt, diluted with MeOH, and acidified with AcOH to pH 4˜5. The solvent was removed in vacuo to obtain the crude which was purified by silica gel chromatography (40% EtOAc in hexanes) to yield the title compound. MS (ESI) 222 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09440982B2
Source datasetuspto-grants-2016_09
ORD IDord-dd156d9f2d94499a98d8f06742f76bf0
Source noteuspto-grants-2016_09