prov:value
| - to the reaction, such as an aromatic hydrocarbon such as benzene, toluene, chlorobenzene or nitrobenzene; an alcohol such as methanol, ethanol or butanol; an ether such as tetrahydrofuran, 1,2-dimethoxyethane or 1,4-dioxane; a cellosolve such as methylcellosolve or ethylcellosolve; N,N-dimethylformamide, dimethylsulfoxide, or N-methylpyrrolidone, at a temperature of from 10??? to 200??? C., prefe
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