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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2043323Generated: November 2, 2026

Ammonia → HCID 59728123, compound

https://huagongshe.com/reaction/2043323

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmoniaHCID 222—
ReactantHydrochloric AcidHCID 313—
Reactant2-Chloro-4-fluoropyridineHCID 2782792—
ReactantHCID 66751381HCID 66751381—
SolventEthanolHCID 702—
ProductHCID 59728123HCID 59728123—

Reaction Conditions

Temperature140 °C

Reaction Steps

A mixture of 5-ethylaminomethyl-imidazole-1-sulfonic acid dimethylamide (0.2 g, 0.86 mmol) and 2-chloro-4-fluoropyridine (0.12 g; 0.91 mmol) was heated in a sealed vessel in a microwave oven for 30 min at 140° C. Then after cooling a solution of hydrochloric acid in ethanol (5 N, 1 ml) was added and the mixture was stirred at 90° C. overnight. For workup aqueous ammonia solution was added to basic pH and the mixture was extracted three times with ethyl acetate. The combined organic layers were dried over magnesium sulfate and evaporated. The residue was purified by flash chromatography (SiO2; ethyl acetate/methanol 8:2) to yield a white solid, (0.13 g, 64%); MS (ISP): 239.0 ((M+H)+.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08586617B2
Source datasetuspto-grants-2013_11
ORD IDord-6063835c8d5b4f9b90312f653ea67612
Source noteuspto-grants-2013_11