Abstract
AbstractThe polymerization of glyoxal has been carried out in the presence of sodium naphthalene in THF at −78°C. The polyglyoxal decomposed at 150°C. and was slightly soluble in water and alcohol. The polymer was readily acetylated with acetic anhydride to yield a material that decomposed at about 290°C. Structure elucidation of the glyoxal polymer indicated that it had a polyacetal type of structure containing pendant enol groups and also a cyclic chelated structure involving hydrogen bonding between an enolic hydroxy group and a pendant carbonyl group.
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