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Five novel terepolymers based on methyl-cyclohexanone in the polymer main chain have successfully been synthesized via solution polycondensation technique. These terepolymers were prepared from the polycondensation of terephthalaldehyde with methyl-cyclohexanone and different cycloalkanone derivatives. They were characterized by viscosimetry, FT-IR, X-ray, thermal gravimetric analysis, and differential...
A new conjugated Schiff base macrocycle containing 1,3,4-oxadiazole ring was prepared by elimination of a tosyl group from a sulfonamide under basic conditions. This synthetic method will provide access to a wide variety of novel conjugated Schiff base macrocycles. The reaction mechanism was examined. The macrocycle has a highly conjugated ring structure and high thermal stability and was doped with...
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