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Azide Tripodal Dendrons from Behera's Amine and Their Clicked Dendrimers
Farhana Barmare1, Marie-Caline Z Abadjian1, Erik C Wiener2
1Department of Chemistry and Biochemistry, San Diego State University , 5500 Campanile Drive, San Diego, California 92182-1030, United States.
Abstract:
Diazo transfer reactions on Behera's amine and its next-generation analogue formed G0 and G1 azide dendrons bearing three and nine tert-butyl-protected esters, respectively. The utility of the new dendrons was demonstrated by copper-catalyzed azide-alkyne cycloaddition, with 1,3,5-triethynylbenzene, forming two novel dendrimers in a convergent manner. Acid-mediated dendrimer deprotection was successful, and the resulting carboxy-terminated dendrimers were analyzed by NMR and DOSY experiments.