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A novel family of urea-based peptidomimetics containing β-alanyl unit at the core has been synthesized by a simple one-step procedure. Solid state structures of some representative examples have shown self-assembly into highly ordered, extended hydrogen-bonded chains and ribbons with modest NLO activity.
Three successive generations of peptidic scaffoldings consisting of two, six and fourteen chiral (all L) centres and four, eight and sixteen carbomethoxy groups, respectively, at the periphery with adamantane nucleus as the central core have been constructed by linking the two halves of corresponding Asp/Glu dendrons by 1,3 - bifunctional adamantane unit. Energy minimization and 1 H NMR studies...