New Mesomorphic Compounds: N,N'-Dialkanoyl-2,4-bis(alkanoyloxy)-1,3-benzenediamines
A series of N,N'-dialkanoyl-2,4-bis(alkanoyloxy)-1,3-benzenediamines has been synthesized.The hightemperature phases appearing in the heptanoyl to hexadecanoyl derivatives are viscous and are transformed into isotropic liquids with enthalpy changes of 20