of the above-mentioned solvents with water.When a haloacid is used as an educt, water is the preferred working medium.As acid traps, organic bases such as pyridine, triethylamine or diisopropylethylamine or inorganic bases such as sodium hydroxide, lithium hydroxide, potassium hydroxide, calcium hydroxide or sodium carbonate, potassium carbonate, sodiumbicarbonate or lithium carbonate are used.