Abstract
Polyurethanes were synthesized by condensation of diamino derivates of bis-1,3,4-oxadiazole with chloroformates, and polyurea urethanes were synthesized from diamino derivaties of bis-1,3,4-oxadiazole, diisocyanates, and ethylene glycol in a solution of dimethylformamide. Certain properties of these compounds were studied.
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Grekov, A.P., Tkach, V.P., Medvedeva, V.V. et al. Synthesis and study of polyurethanes and polyurea urethanes based on the diamino derivatives of bis-1,3,4-oxadiazole. Chem Heterocycl Compd 5, 349–350 (1969). https://doi.org/10.1007/BF00471141
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DOI: https://doi.org/10.1007/BF00471141