| prov:value
| - The reaction is carried out in an alcohol solvent, such as tert-butanol, methanol or ethanol, or other high boiling organic solvents, such as dimethylformamide, triethylamine, 1,4-dioxane or 1,2-dichloroethane, at a temperature between about 60??? C. to about 120??? C., preferably about 80??? C. Typical reaction times are between about 2 hours to about 48 hours, preferably about 16 hours.
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