prov:value
| - minopyridine, and examples of the solvent used include chloroform, methylene chloride, acetonitrile, tetrahydrofuran, ethyl acetate, benzene,toluene, and dimethylformamide.The conversion of the hydroxyl group to a halogen atom is preferably accomplished by using a chlorinating or brominating agent such as phosphorus oxychloride, phosphorus pentachloride, triphenylphosphine dichloride, triphenylpho
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