Abstract
Myo-inositol, a naturally occurring cyclic compound obtained from rice bran, was transformed into a divinyl derivative bearing a rigid hexaoxadiamantane (HODAM) core composed of two orthoester moieties. The divinyl compound underwent radical polyaddition with dithiols to afford the corresponding semi-crystalline polythioethers, the melting temperatures (Tm) of which were above 240 °C. Furthermore, the divinyl compound was transformed into a HODAM-bearing diol via the radical addition of 2-mercaptoethanol to the vinyl groups. The diol product was used as a rigid monomer in polyurethane synthesis. The obtained polyurethanes exhibited glass transition temperatures (Tg) ranging from 55 to 110 °C.
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