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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1482913Generated: October 28, 2026

Methanol → HCID 84046085, compound

https://huagongshe.com/reaction/1482913

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantWaterHCID 962—
ReactantHCID 90047243HCID 90047243—
SolventTetrahydrofuranHCID 8028—
ProductHCID 84046085HCID 8404608598%

Reaction Conditions

Temperature70 °C

Reaction Steps

To a solution of methyl 1-(5-bromopyridin-2-yl)-1H-1,2,3-triazole-4-carboxylate (240 mg, 0.85 mmol) in a mixture of tetrahydrofuran (2.4 ml), methanol (2.4 ml) and water (2.4 ml) lithium hydroxide hydrate (107 mg, 2.54 mmol) was added. The solution was heated to 70° C. for 3 h. Most of the organic solvent was removed under reduced pressure. Water was added and the solution was extracted once with ether. Then 4 N hydrochloric acid was added to reach acidic pH. The product precipitated and the mixture was extracted three times with ethyl acetate. The organic layers were combined, dried (MgSO4) and evaporated to yield a light brown solid (223 mg, 98%). MS (ISP): 269.4 ({79Br} [M+H]+), 271.4 ({81Br} [M+H]+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09416127B2
Source datasetuspto-grants-2016_08
ORD IDord-503a501cb76d4dfaa3a45378af918fdd
Source noteuspto-grants-2016_08