A divergent route towards single- chemical entity triazine dendrimers with opportunities for structural diversity
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This manuscript describes the successful synthesis and characterization of five generations of dendrimers based on melamine. Early generations of these materials appear to be single chemical entities: upon purification, no detectable impurities are observed using NMR spectroscopy, mass spectrometry, and HPLC and GPC analysis. The analysis of larger generation materials precludes an unambiguous statement of purity. The synthetic route to these targets is divergent, relying on dichlorotriazine monomers that react with a polyamine dendrimer core of generation n to produce a poly(monochlorotriazine) dendrimer of generation n + 1. Subsequently, the poly(monochlorotriazine) is derivatized through nucleophilic aromatic substitution before additional nucleophilic amines are unmasked and the process iterated.
author list (cited authors)
Crampton, H., Hollink, E., Perez, L. M., & Simanek, E. E.