Answers are grounded in this paper and cite their sources.
A number of heterocyclic intermediates useful for the preparation of thermally stable polymers are reported with their physical properties. Most of the intermediates described are new compounds, while others have been reported previously but without physical properties. Improvements in the syntheses of several of the substances reported earlier are given.
No takes yet. Share an insight, caveat, or question.
J. Preston (1965) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: