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Reactions of parabanic acid (PA) with ethylene and propylene oxides and carbonates lead to oligomeric products with hydroxyalkyl groups in both cases. The parabanic acid ring undergoes scissions during reactions depending on kind of reagent and reaction conditions. In some cases the trioxoimidazolidine ring remains untouched. Using the MALDI ToF technique the product analysis was performed. The by-products were determined quantitatively by GC. The thermostability of oligomeric products was also determined.

Comparison Of Reaction Pathway And Product Analysis For Hydroxyalkylation Of Parabanic Acid With Oxiranes And Alkylene Carbonates