Synthesis of polyamide-quinazolinediones
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Chau, Nguyen ;Saegusa, Yasuo ;Iwakura, Yoshio
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Article
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1982
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John Wiley and Sons
⚖ 491 KB
## Abstract A novel class of polyamide‐quinazolinediones was synthesized by the polymerization of 2,2′‐disubstituted bis(1,3,4‐oxadiazolin‐5‐ones) with aromatic bis‐__o__‐amino esters in __m__‐cresol. The polymerization probably proceeded in the formation of ring‐opening adducts, which in turn were