prov:value
| - In case reactive esters or acid derivatives respectively are used, the condensing agents are preferably basic agents, for example, alkali or alkaline earth metal carbonates, hydroxides or lower alkoxides, such as sodium, potassium or calcium carbonate, sodium or potassium hydroxide, methoxide or ethoxide, but also organic nitrogen bases, such asaliphatic or aromatic tertiary amines, such as trilow
|